Showing posts with label EXPO ARENA. Show all posts
Showing posts with label EXPO ARENA. Show all posts

Monday, September 11, 2017

BIOLOGY OBJ AND THEORY ANSWER NOW AVAILABLE


*BIOLOGY THEORY PRIVATE WASSCE*

*BRAVO TEAM*
*WAEC GCE BIOLOGY OBJ*

1-10 BACDCCABCB

11-20 ADCADCBDCB

21-30 BBCABCBAAA

31-40 ACBACACADC

41-50 DABADBBBAD

Goodluck 🤓✔


*BRAVO TEAM*
*YOU TO ANSWER THREE (3) QUESTIONS  IN ALL*

 *TWO(2) QUESTIONS SECTION FROM A*

*SECTION B IS FOR GHANA ONLY*

*SECTION C IS FOR SIERRA LEONE,GAMBIA,NIGERIA AND LIBERIA*

  *PLEASE READ CAREFULLY BEFORE YOU ANSWER ANY QUESTIONS*
     
Q1 a) i).  ¶ white blood cells
          ¶ lipids

    ii).  ¶ responsible for the removal of interstitial fluid from tissues
          ¶ It transports white blood cells to and from the lymph nodes into the bones

b) i).  ¶ oxygen
          ¶ excretory products, such as carbon dioxide, urea, etc
          ¶ Hormones

    ii)   Plants absorb water from the soil through their root hairs which are surrounded by soil water in
           the soil. The soil water is a more dilute solution than the soil sap inside the root hair hence
           water molecules move from soil water into the root hairs by the process of osmosis. Mineral
           salts are absorbed through the cell membrane often from a zone of their low concentration in 
           the soil to a zone of their higher concentration in the cells of the roots through active
           absorption.
      
c) i).  Placentation is the arrangement of ovules within an ovary. The part of the ovary where the 
          ovules are attached is called a placenta.

    ii). ¶ Marginal placentation
         ¶ Parietal placentation
         ¶ Axile  placentation
         ¶ Free central placentation


*Q3a*

Occurring group of different organisms living together and interacting in the same environment.

               ii
Population=is defined as the total number of organisms of the same species living together in a given area


           iii
Ecologicalnide==Refers to the specific portion of a habit which is occupied by a particular organism 

----------_----------------------------------------------;------;---+-----------------------
             3b
Because all living organism need energy and nutrient in an environment in other to sustrundipe
------------------------------------------------------------

              3c
1).  Lack of enough food 
2)  out break of disease
3) lack of money Cii
Exposed the soil into erosion

Cause loss of nutrient  into the plant 

Cause low yield

6bi)

Irritability is the ability to be excited to a characteristic action or function by the application of some stimulus

Or

Irritability is the Abnormal sensitivity or excessive responsiveness, as of an organ or body part, to a stimulus.

6ci) Tillage is the agricultural preparation of soil by mechanical agitation of various types, such as digging, stirring, and overturning. Examples of human-powered tilling methods using hand tools include shovelling, picking, mattock work, hoeing, and raking

6ei) Oviparity is the expulsion of undeveloped eggs rather than live young. The eggs may have been fertilized before release, as in birds and some reptiles, or are to be fertilized externally, as in amphibians and many lower forms. In general, the number of eggs produced by oviparous species greatly exceeds the number of offspring from species that bear live young, but the chances of survival are diminished because of the lack of maternal protection. 

Or 

Oviparity is the producing eggs that mature and hatch after being expelled from the body, as birds, most reptiles and fishes, and the monotremes.

ii)  Viviparity is the retention and growth of the fertilized egg within the maternal body until the young animal, as a larva or newborn, is capable of independent existence. The growing embryo derives continuous nourishment from the mother, usually through a placenta or similar structure.

6f)

Rhizobium turns the free Nitrogen in air into 

- Ammonia
- Nitrate
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Sunday, September 10, 2017

GEOGRAPHY ANSWER

We are sorry for not being Update you since we are back fully for you guys

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Your geography questions and answers will be available today

2(c) Negative effects 


(1) Migration may cause disputes due to different culture.

Insufficient housing facilities.


(2) Increase in

homeless people.

Increase in

crime rate (illegal immigrants).

Illegal immigrants = illegal violent organization = violence related crimes/murders.


(3)Racial dispute which may lead to issues among countries.

Religious issues.

3a)

The Economic Benefits is the improving of time performance and reduces loss and damage, thus reducing economic drag. In other words this is reducing the cost and time for existing passenger and freight movements increase transport’s contribution to economic growth


3b)


Problem confronting rail transport


1. Inefficiency


2. Change in the political and economic factors which motivated the establishment of rail transportation


3.     Bureaucratic Diseconomy


4.  Stiff competition from Road transportation


5.  Low funding on the part of Government


6.    Problem of marketing myopia


3c)


- availability of capital to maintain and establish new railways.

- New fashioned technology which make the railways carry less car go transport

- availability of government policies to development railways..

6a.. *   Air transport has indirectly helped the business to grow at and around the various airport terminals.

*Another contribution of air transport which is closely related to job creation is that it aids mobility of labour. 

*      Air transport promotes trade and commerce:- The improvement in air transport and communication worldwide has reduced the world to nothing more than a global village and it is bringing about a continuous increase in specialization.*


Read More »

Tuesday, July 11, 2017

NECO IRS THEORY AND OBJ ANSWER NOW AVAILABLE

IRS OBJ

1-10   EDCACCDAAA
11-20 BCCBEABBBD
21-30 DBCCBBABAA
31-40 DADDDBDCBB
41-50 ACACBCCDAE
51-60 DCEEEDCACC



2017 IRS NECO ANSWERS
Mm
1a)
Surah At-Tin ( The Fig ) - Aya count 8

وَالتِّينِ وَالزَّيْتُونِ ( 1 ) At-Tin ( The Fig ) - Aya 1
 Watteeni wazzaytoon
وَطُورِ سِينِينَ ( 2 ) At-Tin ( The Fig ) - Aya 2
 Watoori seeneen
وَهَٰذَا الْبَلَدِ الْأَمِينِ ( 3 ) At-Tin ( The Fig ) - Aya 3
 Wahatha albaladi al-ameen
لَقَدْ خَلَقْنَا الْإِنسَانَ فِي أَحْسَنِ تَقْوِيمٍ ( 4 ) At-Tin ( The Fig ) - Aya 4
 Laqad khalaqna al-insana fee ahsanitaqweem
ثُمَّ رَدَدْنَاهُ أَسْفَلَ سَافِلِينَ ( 5 ) At-Tin ( The Fig ) - Aya 5
 Thumma radadnahu asfala safileen
إِلَّا الَّذِينَ آمَنُوا وَعَمِلُوا الصَّالِحَاتِ فَلَهُمْ أَجْرٌ غَيْرُ مَمْنُونٍ ( 6 ) At-Tin ( The Fig ) - Aya 6
 Illa allatheena amanoowaAAamiloo assalihati falahum ajrun ghayrumamnoon
فَمَا يُكَذِّبُكَ بَعْدُ بِالدِّينِ ( 7 ) At-Tin ( The Fig ) - Aya 7
 Fama yukaththibuka baAAdu biddeen
أَلَيْسَ اللَّهُ بِأَحْكَمِ الْحَاكِمِينَ ( 8 ) At-Tin ( The Fig ) - Aya 8
 Alaysa Allahu bi-ahkami alhakimeen

 1b)
 a) Consequences of man’s spiritual and moral degradation

 b) Rewards for the pious believers

 c) The reality of the Day of Judgment


 2ai)
By memorization
 ii)
writting on trees,stone and slate
 iii) 
Loading.....
*Anonymous*
 2bi)
tafsir-this term is defined as a branch of knowledge by which the Quran is understood, this also means the description of of the quran by the quran it self
*[@nonymous*
1a)
Surah At-Tin ( The Fig ) - Aya count 8

وَالتِّينِ وَالزَّيْتُونِ ( 1 ) At-Tin ( The Fig ) - Aya 1
 Watteeni wazzaytoon
وَطُورِ سِينِينَ ( 2 ) At-Tin ( The Fig ) - Aya 2
 Watoori seeneen
وَهَٰذَا الْبَلَدِ الْأَمِينِ ( 3 ) At-Tin ( The Fig ) - Aya 3
 Wahatha albaladi al-ameen
لَقَدْ خَلَقْنَا الْإِنسَانَ فِي أَحْسَنِ تَقْوِيمٍ ( 4 ) At-Tin ( The Fig ) - Aya 4
 Laqad khalaqna al-insana fee ahsanitaqweem
ثُمَّ رَدَدْنَاهُ أَسْفَلَ سَافِلِينَ ( 5 ) At-Tin ( The Fig ) - Aya 5
 Thumma radadnahu asfala safileen
إِلَّا الَّذِينَ آمَنُوا وَعَمِلُوا الصَّالِحَاتِ فَلَهُمْ أَجْرٌ غَيْرُ مَمْنُونٍ ( 6 ) At-Tin ( The Fig ) - Aya 6
 Illa allatheena amanoowaAAamiloo assalihati falahum ajrun ghayrumamnoon
فَمَا يُكَذِّبُكَ بَعْدُ بِالدِّينِ ( 7 ) At-Tin ( The Fig ) - Aya 7
 Fama yukaththibuka baAAdu biddeen
أَلَيْسَ اللَّهُ بِأَحْكَمِ الْحَاكِمِينَ ( 8 ) At-Tin ( The Fig ) - Aya 8
 Alaysa Allahu bi-ahkami alhakimeen

 1b)
 a) Consequences of man’s spiritual and moral degradation

 b) Rewards for the pious believers

 c) The reality of the Day of Judgment


 2ai)
By memorization
 ii)
writting on trees,stone and slate
 iii) 
Loading.....

 2bi)
tafsir-this term is defined as a branch of knowledge by which the Quran is understood, this also means the description of of the quran by the quran it self

 (ii)
juz'u-is one of thirty parts of varying lengths into which the Quran is divided into.

 (iii)
hizb-A juz is further divided into two ahzab (groups), and each hizb (group) is in turn subdivided into four quarters, making eight quarters per juz.
*@nonymous*
4a)
 1)Sahih Bukhari, collected by Imam Bukhari 
 2) Sahih Muslim, collected by Muslim b. al-Hajjaj 
 3)Sunan Abu Dawood, collected by Abu Dawood 
 4)Jami al-Tirmidhi, collected by al-Tirmidhi 
 5) Sunan al-Sughra, collected by al-Nasa'i 

 6) Sunan ibn Majah, collected by Ibn Majah 

 4b)Ṣaḥīḥ al-Bukhārī is one of the Kutub al-Sittah (six major hadith collections) of Sunni Islam. These prophetic traditions, or hadith, were collected by the Persian Muslim scholar Muhammad al-Bukhari, after being transmitted orally for generations. Sunni Muslims view this as one of the two most trusted collections of hadith along with Sahih Muslim, yet not generally infallible.It is also used as an authentic hadith collection by Zaidi Shia Muslims. In some circles, it is considered the most authentic book after the Quran
 7)
 THE FIRST MIGRATION TO ABYSSINIA (ETHIOPIA):

 The series of persecutions started late in the fourth year of Prophethood, slowly at first, but steadily accelerated and worsened day by day and month by month until the situation got so extremely grave and no longer tolerable in the middle of the fifth year, that the Muslims began to seriously think of feasible ways liable to avert the painful tortures meted out to them. It was at that gloomy and desperate time that Sûrah Al-Kahf (Chapter 18 — The Cave) was revealed comprising definite answers to the questions with which the polytheists of Makkah constantly pestered the Prophet (Peace be upon him). It comprises three stories that include highly suggestive parables for the true believers to assimilate. The story of the Companions of the Cave implies implicit guidance for the believers to evacuate the hot spots of disbelief and aggression pregnant with the peril of enticement away from the true religion:
 The young men said to one another): And when you withdraw from them, and that which they worship, except Allâh, then seek refuge in the Cave, your Lord will open a way for you from His Mercy and will make easy for you your affair (i.e. will give you what you will need of provision, dwelling, etc.)18:16].
*Anonymous*
 Next, there is the story of Al-Khidr (The Teacher of Arabia) and Moses (Peace be upon him) in a clear and delicate reference to the vicissitudes of life. Future circumstances of life are not necessarily the products of the prevalent conditions, they might be categorically the opposite. In other words, the war waged against the Muslims would in the future assume a different turn, and the tyrannous oppressors would one day come to suffer and be subjected to the same tortures to which the Muslims were then put. Furthermore, there is the story of Dhul-Qarnain (The Two Horned One), the powerful ruler of west and east. This story says explicitly that Allâh takes His righteous servants to inherit the earth and whatever in it. It also speaks that Allâh raises a righteous man every now and then to protect the weak against the strong.

 Sûrah Az-Zumar (Chapter 39 — The Crowds) was then revealed pointing directly to migration and stating that the earth is spacious enough and the believers must not consider themselves constrained by the forces of tyranny and evil:

 "Good is (the reward) for those who do good in this world, and Allâh's earth is spacious (so if you cannot worship Allâh at a place, then go to another)! Only those who are patient shall receive their rewards in full without reckoning." [39:10].

 The Prophet (Peace be upon him) had already known that Ashamah Negus, king of Abyssinia (Ethiopia), was a fair ruler who would not wrong any of his subordinates, so he permitted some of his followers to seek asylum there in Abyssinia (Ethiopia).

 In Rajab of the fifth year of Prophethood, a group of twelve men and four women left for Abyssinia (Ethiopia). Among the emigrants were 'Uthman bin 'Affan and his wife Ruqaiyah [the daughter of the Prophet (Peace be upon him)]. With respect to these two emigrants, the Prophet (Peace be upon him) said:

 "They are the first people to migrate in the cause of Allâh after Abraham and Lot (Peace be upon them) ."

 They sneaked out of Makkah under the heavy curtain of a dark night and headed for the sea where two boats happened to be sailing for Abyssinia (Ethiopia), their destination. News of their intended departure reached the ears of Quraish, so some men were despatched in their pursuit, but the believers had already left Shuaibah Port towards their secure haven where they were received warmly and accorded due hospitality.

 In Ramadan of the same year, the Prophet (Peace be upon him) went into the Holy Sanctuary where there was a large host of Quraish polytheists, including some notables and celebrities. Suddenly he began reciting Sûrah An-Najm (Chapter 41 — The Star). The awe-inspiring Words of Allâh descended unawares upon them and they immediately got stunned by them. It was the first time for them to be shocked by the truthful Revelation. It had formerly been the favourite trick of those people who wished to dishonour Revelation, not only not to listen to it themselves but also to talk loudly and insolently when it was being read, so that even the true listeners may not be able to hear. They used to think that they were drowning the Voice of Allâh; in fact, they were piling up misery for themselves, for Allâh's Voice can never be silenced, "And those who disbelieve say:

 "Listen not to this Qur'ân, and make noise in the midst of its (recitation) that you may overcome." [41:26].

 When the unspeakably fascinating Words of Allâh came into direct contact with their hearts, they were entranced and got oblivious of the materialistic world around them and were caught in a state of full attentiveness to the Divine Words to such an extent that when the Prophet (Peace be upon him) reached the stormy heart-beating ending:

 "So fall you down in prostration to Allâh and worship Him (Alone)." [53:62]

 The idolaters, unconsciously and with full compliance, prostrated themselves in absolute god-fearing and stainless devotion. It was in fact the wonderful moment of the Truth that cleaved through the obdurate souls of the haughty and the attitude of the scoffers. They stood aghast when they perceived that Allâh's Words had conquered their hearts and done the same thing that they had been trying hard to annihilate and exterminate. Their co-polytheists who had not been present on the scene reproached and blamed them severely; consequently they began to fabricate lies and calumniate the Prophet (Peace be upon him) alleging that he had attached to their idols great veneration and ascribed to them the power of desirable intercession. All of these were desperate attempts made to establish an excusable justification for their prostrating themselves with the Prophet (Peace be upon him) on that day. Of course, this foolish and iniquitous slanderous behaviour was in line with their life-consecrated practice of telling lies and plot hatching.

 News of this incident was misreported to the Muslim emigrants in Abyssinia (Ethiopia). They were informed that the whole of Quraish had embraced Islam so they made their way back home. They arrived in Makkah in Shawwal of the same year. When they were only an hour's travel from Makkah, the reality of the situation was discovered. Some of them returned to Abyssinia (Ethiopia), others sneaked secretly into the city or went in publicly but under the tutelage of a local notable. However, due to the news that transpired to the Makkans about the good hospitality and warm welcome that the Muslims were accorded in Abyssinia (Ethiopia), the polytheists got terribly indignant and started to mete out severer and more horrible maltreatment andtortures to the Muslims. Thereupon the Messenger of Allâh (Peace be upon him) deemed it imperative to permit the helpless creatures to seek asylum in Abyssinia (Ethiopia) for the second time. Migration this time was not as easy as it was the previous time, for Quraish was on the alert to the least suspicious moves of the Muslims. In due course, however, the Muslims managed their affairs too fast for the Quraishites to thwart their attempt of escape. The group of emigrants this time comprised eighty three men and nineteen or, in some versions, eighteen women. Whether or not 'Ammar was included is still a matter of doubt.
*[@nonymous*
(2a)

i)A considerable number of the literate Companions kept a private record of the text of the Qur'an and satisfied themselves as to the purity of their record by reading it out to the Holy Prophet (PBUH).

ii) All the illustrious Companions, without an exception, had memorized at least some portions of the Holy Qur'an, for the simple reason that it was obligatory for them to recite it during worship.

iii)The Holy Prophet (PBUH) had the whole text of the Divine Messages from the beginning to the end committed to writing by the scribes of revelations
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2a
Method of preservation of the Quran during the Prophet’s time

Besides, those of the Companions who were literate used to keep a written record of several portions of the Glorious Quran. In this manner, the text of the Quran had been preserved in four different ways during the lifetime of the Holy Prophet (p):

a) The Holy Prophet (p) had the whole text of the Divine Messages from the beginning to the end committed to writing by the scribes of revelations.

b) Many of the Companions learned the whole text of the Quran, every syllable of it, by heart.

c) All the illustrious Companions, without an exception, had memorized at least some portions of the Holy Quran, for the simple reason that it was obligatory for them to recite it during worship. An estimate of the number of the illustrious Companions may be obtained from the fact that one hundred and forty thousands Companions had participated in the Last Pilgrimage performed by the Prophet (p).

d) A considerable number of the literate Companions kept a private record of the text of the Quran and satisfied themselves as to the purity of their record by reading it out to the Prophet
2bi
tafsir is to reconcile the holiness of the text with the humanness of the interpreter (mufassir); who being human has limitations and weaknesses and may make mistakes in the interpretation of the text.
2bii
The Qur'an is divided into 30 parts each called juz'u. Their demarcations do not coincide with those of surats.
2biii

Each juz'u is divided into 2 sections each called hizb

5a
 contained in these five points:
1. Taking permanent or temporary residence in a place, i.e., the person is not on a journey.
2. This prayer is an obligation on males only. Women are not ordered to perform it.
3. This prayer is compulsory for free male persons. Slaves are exempted from this obligation since they engage themselves in serving their masters.
4. Illness or hardship (praying in the mosque) exempts a person from this obligation.. Also exempt is the person taking care of a very ill person who can not manage himself without his assistance. 
The evidence for these conditions is the Hadith narrated from Tariq Ibn Shihab that The Prophet (peace be upon him) said: "The Friday prayer in congregation is a necessary obligation for every Muslim, with four exceptions; a slave, a woman, a boy, and a sick person". (Abu Dawood)
Imam Baihaqi and Daruqutni narrated that the prophet said: "Juma'h Prayer is compulsory on every Muslim who believes in Allah and in the Last Day except a sick, a woman, a child, a slave or a traveller".
5. Those who suffer from physical disabilities such as senility, blindness etc. If a blind man has someone who can lead him to the mosque, then praying in mosque becomes obligatory on him.

7
The Prophet peace be upon him saw his followers standing up to their convictions in spite of persecutions, and his heart was laden with grief. And since he could do nothing to protect them, he advised his followers to migrate to the country of the Christian ruler, Negus of Abyssinia, who was reputed to be just and kindhearted. It was a friendly country, said the Prophet peace be upon him, where the Muslims could stay until such time as God relieved them of their distress.



Thereupon, ten Muslims left Mecca for Abyssinia. This was the first migration in Islam, where Uthman Ibn Mazun (May Allah be pleased with him) was elected as the leader of this first batch of emigrants. After them Jafar Ibn Abi Talib (May Allah be pleased with him) departed from Mecca, then a number of Muslims followed suit, one after another; some went alone while others took their families with them. A total of eighty-three persons are reported to have fled to Abyssinia. (Ibn Hisham, Vol. Pp. 320-21)



QURAYSH PURSUE THE MUSLIMS



The news that the Muslims were living in peace in Abyssinia reached Mecca making the Qurayshites all the more restless depressed and discouraged. So they decided to send Abdallah Ibn Abu Rabia and Amr Ibn Al As Ibn Wail as their emissaries, laden with choicest presents of Mecca for Negus, his nobles and chiefs, to get the persons in exile back from Abyssinia. The agents of the Quraysh first bribed the courtiers of Negus with their presents to espouse their cause before the king, then they presented their gifts to him and said:



Some foolish young men of our tribe have taken refuge in Your Majestys country. They have abandoned their own religion but neither accepted yours, and have invented a new faith which neither of us know. Our nobles, (who are their elders and guardians) have sent us to Your Majesty so we could get them back from you, for they are closer to them and that they know their faults.



The bodyguards of Negus who heard this whispered to him in chorus, They are correct, surrender the refugees to them. But king Negus was enraged; he disliked to forsake those who had sought his shelter. He said, No, by God, I will not surrender them. Thereafter, he summoned the Muslims to his court in the presence of his bishops, and asked the Muslims: What is that religion for which you have forsaken your people and neither accepted my religion nor any other?



JAFAR'S PORTRAYAL OF ISLAM AND IGNORANCE



Jafar Ibn Abi Talib (May Allah be pleased with him), the cousin of the Prophet peace be upon him, then rose to explain what the King had asked. He said:



O King, we were an unenlightened people plunged in ignorance. We worshipped idols, we ate dead animals, and we committed abominations: we broke natural ties, we mistreat our neighbors and our strong exploit the weak. We thus lived that way, until God raised among us an Prophet peace be upon him, of whose noble birth and lineage, truthfulness, honesty and purity we were aware. He invited us to acknowledge the Unity of God and to worship Him, and to renounce the stones and idols our forefathers and we ourselves used to venerate. He enjoined us to speak the truth, to redeem our pledges, to be kind and considerate to our kin and neighbors; he forbade us to refrain from every vice, bloodshed, shamelessness, lies and deceit and asked us neither to encroach upon the substance of orphans nor to vilify chaste women. He commanded us to pay divine homage to Allah alone and never associate ought with Him; he ordered us to offer , to pay the poor-due, to observe fast (thus enumerating other injunctions of Islam). We acknowledged his truthfulness and believed in him; we followed him in whatever he brought from God and we worshipped only One God without associating ought with Him; we treated as unlawful what he prohibited and accepted what he made lawful for us. From then on, we were estranged from our own people such that they persecuted us, tried to seduce us from our faith and forced us to take back our idols for our God and they compelled us to return to the abominations we used to commit earlier. So when they tortured and held us under their tyranny and stood between us and our religion, we fled to your country, having chosen you above others for our refuge. We have come here, O King, to your land seeking your protection and we do hope that we shall not be dealt with unjustly.



Negus listened patiently to Jafar Ibn Abi Talib (May Allah be pleased with him). Then he asked Jafar if he had something brought by his Prophet peace be upon him from God.



Jafar (May Allah be pleased with him) replied in the affirmative. Negus asked him to recite the same. Thereupon Jafar (May Allah be pleased with him) recited the opening verses of Surah Maryam. (19th Chapter, Mary) Negus wept until his beard was wet, as the bishop sobbed until their scrolls were moistened with their tears, too.



DISCOMFITURE OF THE QURAYSHITE EMISSARIES



Truly, this and what Jesus brought are traditions from the same Heavenly light, said Negus. Then turning to the envoys of the Quraysh he continued, You may go. By God, I shall never give them up to you.



Now, the shrewd poet Amr Ibn al-As hurled his last shot and what a deadly tirade at that for he said, O King, they assert a dreadful thing about Jesus which is even unwholesome to repeat before thee.



Negus demanded from Jafar (May Allah be pleased with him), What do you say about Jesus?



Jafar Ibn Abi Talib (May Allah be pleased with him) replied, We say about which our Prophet has taught us. He was a creature of God and His Prophet , as well as His Spirit and His Word, which was cast unto the blessed Virgin Maryam.



Negus took a straw from the ground and said, By God, Jesus, son of Mary, does not exceed what you have said by the length of this straw.



Negus treated the Muslims with honor and pledged his protection to them. Both crestfallen envoys of the Quraysh had to leave Abyssinia in great shame while the Muslims lived there in peace and security. (Ibn Hisham, pp. 334-38)



The Prophet peace be upon him saw his followers standing up to their convictions in spite of persecutions, and his heart was laden with grief. And since he could do nothing to protect them, he advised his followers to migrate to the country of the Christian ruler, Negus of Abyssinia, who was reputed to be just and kindhearted. It was a friendly country, said the Prophet peace be upon him, where the Muslims could stay until such time as God relieved them of their distress.



Thereupon, ten Muslims left Mecca for Abyssinia. This was the first migration in Islam, where Uthman Ibn Mazun (May Allah be pleased with him) was elected as the leader of this first batch of emigrants. After them Jafar Ibn Abi Talib (May Allah be pleased with him) departed from Mecca, then a number of Muslims followed suit, one after another; some went alone while others took their families with them. A total of eighty-three persons are reported to have fled to Abyssinia. (Ibn Hisham, Vol. Pp. 320-21)



QURAYSH PURSUE THE MUSLIMS



The news that the Muslims were living in peace in Abyssinia reached Mecca making the Qurayshites all the more restless depressed and discouraged. So they decided to send Abdallah Ibn Abu Rabia and Amr Ibn Al As Ibn Wail as their emissaries, laden with choicest presents of Mecca for Negus, his nobles and chiefs, to get the persons in exile back from Abyssinia. The agents of the Quraysh first bribed the courtiers of Negus with their presents to espouse their cause before the king, then they presented their gifts to him and said:



Some foolish young men of our tribe have taken refuge in Your Majestys country. They have abandoned their own religion but neither accepted yours, and have invented a new faith which neither of us know. Our nobles, (who are their elders and guardians) have sent us to Your Majesty so we could get them back from you, for they are closer to them and that they know their faults.



The bodyguards of Negus who heard this whispered to him in chorus, They are correct, surrender the refugees to them. But king Negus was enraged; he disliked to forsake those who had sought his shelter. He said, No, by God, I will not surrender them. Thereafter, he summoned the Muslims to his court in the presence of his bishops, and asked the Muslims: What is that religion for which you have forsaken your people and neither accepted my religion nor any other?



JAFAR'S PORTRAYAL OF ISLAM AND IGNORANCE



Jafar Ibn Abi Talib (May Allah be pleased with him), the cousin of the Prophet peace be upon him, then rose to explain what the King had asked. He said:



O King, we were an unenlightened people plunged in ignorance. We worshipped idols, we ate dead animals, and we committed abominations: we broke natural ties, we mistreat our neighbors and our strong exploit the weak. We thus lived that way, until God raised among us an Prophet peace be upon him, of whose noble birth and lineage, truthfulness, honesty and purity we were aware. He invited us to acknowledge the Unity of God and to worship Him, and to renounce the stones and idols our forefathers and we ourselves used to venerate. He enjoined us to speak the truth, to redeem our pledges, to be kind and considerate to our kin and neighbors; he forbade us to refrain from every vice, bloodshed, shamelessness, lies and deceit and asked us neither to encroach upon the substance of orphans nor to vilify chaste women. He commanded us to pay divine homage to Allah alone and never associate ought with Him; he ordered us to offer , to pay the poor-due, to observe fast (thus enumerating other injunctions of Islam). We acknowledged his truthfulness and believed in him; we followed him in whatever he brought from God and we worshipped only One God without associating ought with Him; we treated as unlawful what he prohibited and accepted what he made lawful for us. From then on, we were estranged from our own people such that they persecuted us, tried to seduce us from our faith and forced us to take back our idols for our God and they compelled us to return to the abominations we used to commit earlier. So when they tortured and held us under their tyranny and stood between us and our religion, we fled to your country, having chosen you above others for our refuge. We have come here, O King, to your land seeking your protection and we do hope that we shall not be dealt with unjustly.



Negus listened patiently to Jafar Ibn Abi Talib (May Allah be pleased with him). Then he asked Jafar if he had something brought by his Prophet peace be upon him from God.



Jafar (May Allah be pleased with him) replied in the affirmative. Negus asked him to recite the same. Thereupon Jafar (May Allah be pleased with him) recited the opening verses of Surah Maryam. (19th Chapter, Mary) Negus wept until his beard was wet, as the bishop sobbed until their scrolls were moistened with their tears, too.



DISCOMFITURE OF THE QURAYSHITE EMISSARIES



Truly, this and what Jesus brought are traditions from the same Heavenly light, said Negus. Then turning to the envoys of the Quraysh he continued, You may go. By God, I shall never give them up to you.



Now, the shrewd poet Amr Ibn al-As hurled his last shot and what a deadly tirade at that for he said, O King, they assert a dreadful thing about Jesus which is even unwholesome to repeat before thee.



Negus demanded from Jafar (May Allah be pleased with him), What do you say about Jesus?



Jafar Ibn Abi Talib (May Allah be pleased with him) replied, We say about which our Prophet has taught us. He was a creature of God and His Prophet , as well as His Spirit and His Word, which was cast unto the blessed Virgin Maryam.



Negus took a straw from the ground and said, By God, Jesus, son of Mary, does not exceed what you have said by the length of this straw.



Negus treated the Muslims with honor and pledged his protection to them. Both crestfallen envoys of the Quraysh had to leave Abyssinia in great shame while the Muslims lived there in peace and security. (Ibn Hisham, pp. 334-38)



The Prophet peace be upon him saw his followers standing up to their convictions in spite of persecutions, and his heart was laden with grief. And since he could do nothing to protect them, he advised his followers to migrate to the country of the Christian ruler, Negus of Abyssinia, who was reputed to be just and kindhearted. It was a friendly country, said the Prophet peace be upon him, where the Muslims could stay until such time as God relieved them of their distress.



Thereupon, ten Muslims left Mecca for Abyssinia. This was the first migration in Islam, where Uthman Ibn Mazun (May Allah be pleased with him) was elected as the leader of this first batch of emigrants. After them Jafar Ibn Abi Talib (May Allah be pleased with him) departed from Mecca, then a number of Muslims followed suit, one after another; some went alone while others took their families with them. A total of eighty-three persons are reported to have fled to Abyssinia. (Ibn Hisham, Vol. Pp. 320-21)



QURAYSH PURSUE THE MUSLIMS



The news that the Muslims were living in peace in Abyssinia reached Mecca making the Qurayshites all the more restless depressed and discouraged. So they decided to send Abdallah Ibn Abu Rabia and Amr Ibn Al As Ibn Wail as their emissaries, laden with choicest presents of Mecca for Negus, his nobles and chiefs, to get the persons in exile back from Abyssinia. The agents of the Quraysh first bribed the courtiers of Negus with their presents to espouse their cause before the king, then they presented their gifts to him and
 They have abandoned their own religion but neither accepted yours, and have invented a new faith which neither of us know. Our nobles, (who are their elders and guardians) have sent us to Your Majesty so we could get them back from you, for they are closer to them and that they know their faults.



The bodyguards of Negus who heard this whispered to him in chorus, They are correct, surrender the refugees to them. But king Negus was enraged; he disliked to forsake those who had sought his shelter. He said, No, by God, I will not surrender them. Thereafter, he summoned the Muslims to his court in the presence of his bishops, and asked the Muslims: What is that religion for which you have forsaken your people and neither accepted my religion nor any other?



JAFAR'S PORTRAYAL OF ISLAM AND IGNORANCE



Jafar Ibn Abi Talib (May Allah be pleased with him), the cousin of the Prophet peace be upon him, then rose to explain what the King had asked. He said:



O King, we were an unenlightened people plunged in ignorance. We worshipped idols, we ate dead animals, and we committed abominations: we broke natural ties, we mistreat our neighbors and our strong exploit the weak. We thus lived that way, until God raised among us an Prophet peace be upon him, of whose noble birth and lineage, truthfulness, honesty and purity we were aware. He invited us to acknowledge the Unity of God and to worship Him, and to renounce the stones and idols our forefathers and we ourselves used to venerate. He enjoined us to speak the truth, to redeem our pledges, to be kind and considerate to our kin and neighbors; he forbade us to refrain from every vice, bloodshed, shamelessness, lies and deceit and asked us neither to encroach upon the substance of orphans nor to vilify chaste women. He commanded us to pay divine homage to Allah alone and never associate ought with Him; he ordered us to offer , to pay the poor-due, to observe fast (thus enumerating other injunctions of Islam). We acknowledged his truthfulness and believed in him; we followed him in whatever he brought from God and we worshipped only One God without associating ought with Him; we treated as unlawful what he prohibited and accepted what he made lawful for us. From then on, we were estranged from our own people such that they persecuted us, tried to seduce us from our faith and forced us to take back our idols for our God and they compelled us to return to the abominations we used to commit earlier. So when they tortured and held us under their tyranny and stood between us and our religion, we fled to your country, having chosen you above others for our refuge. We have come here, O King, to your land seeking your protection and we do hope that we shall not be dealt with unjustly.



Negus listened patiently to Jafar Ibn Abi Talib (May Allah be pleased with him). Then he asked Jafar if he had something brought by his Prophet peace be upon him from God.



Jafar (May Allah be pleased with him) replied in the affirmative. Negus asked him to recite the same. Thereupon Jafar (May Allah be pleased with him) recited the opening verses of Surah Maryam. (19th Chapter, Mary) Negus wept until his beard was wet, as the bishop sobbed until their scrolls were moistened with their tears, too.



DISCOMFITURE OF THE QURAYSHITE EMISSARIES



Truly, this and what Jesus brought are traditions from the same Heavenly light, said Negus. Then turning to the envoys of the Quraysh he continued, You may go. By God, I shall never give them up to you.



Now, the shrewd poet Amr Ibn al-As hurled his last shot and what a deadly tirade at that for he said, O King, they assert a dreadful thing about Jesus which is even unwholesome to repeat before thee.



Negus demanded from Jafar (May Allah be pleased with him), What do you say about Jesus?



Jafar Ibn Abi Talib (May Allah be pleased with him) replied, We say about which our Prophet has taught us. He was a creature of God and His Prophet , as well as His Spirit and His Word, which was cast unto the blessed Virgin Maryam.



Negus took a straw from the ground and said, By God, Jesus, son of Mary, does not exceed what you have said by the length of this straw.



Negus treated the Muslims with honor and pledged his protection to them. Both crestfallen envoys of the Quraysh had to leave Abyssinia in great shame while the Muslims lived there in peace and security. (Ibn Hisham, pp. 334-38)



The Prophet peace be upon him saw his followers standing up to their convictions in spite of persecutions, and his heart was laden with grief. And since he could do nothing to protect them, he advised his followers to migrate to the country of the Christian ruler, Negus of Abyssinia, who was reputed to be just and kindhearted. It was a friendly country, said the Prophet peace be upon him, where the Muslims could stay until such time as God relieved them of their distress.



Thereupon, ten Muslims left Mecca for Abyssinia. This was the first migration in Islam, where Uthman Ibn Mazun (May Allah be pleased with him) was elected as the leader of this first batch of emigrants. After them Jafar Ibn Abi Talib (May Allah be pleased with him) departed from Mecca, then a number of Muslims followed suit, one after another; some went alone while others took their families with them. A total of eighty-three persons are reported to have fled to Abyssinia. (Ibn Hisham, Vol. Pp. 320-21)



QURAYSH PURSUE THE MUSLIMS



The news that the Muslims were living in peace in Abyssinia reached Mecca making the Qurayshites all the more restless depressed and discouraged. So they decided to send Abdallah Ibn Abu Rabia and Amr Ibn Al As Ibn Wail as their emissaries, laden with choicest presents of Mecca for Negus, his nobles and chiefs, to get the persons in exile back from Abyssinia. The agents of the Quraysh first bribed the courtiers of Negus with their presents to espouse their cause before the king, then they presented their gifts to him and said:



Some foolish young men of our tribe have taken refuge in Your Majestys country. They have abandoned their own religion but neither accepted yours, and have invented a new faith which neither of us know. Our nobles, (who are their elders and guardians) have sent us to Your Majesty so we could get them back from you, for they are closer to them and that they know their faults.



The bodyguards of Negus who heard this whispered to him in chorus, They are correct, surrender the refugees to them. But king Negus was enraged; he disliked to forsake those who had sought his shelter. He said, No, by God, I will not surrender them. Thereafter, he summoned the Muslims to his court in the presence of his bishops, and asked the Muslims: What is that religion for which you have forsaken your people and neither accepted my religion nor any other?





 2ai)
By memorization
 ii)
writting on trees,stone and slate
 iii)
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Sunday, July 9, 2017

NECO 2017 PHYSICS OBJ AND THEORY ANSWER








*13ai)*
i)Used for heating / evaporating water in Salt industries
ii)Used in solar panel for electrification

*13aii)*
Renewable energy is that produced from energy source which can be replenished. Non Renewable energy is not replenished enchants upon us

*13b)*
In a jet, gases are burnt within the combustion Chambers of the engine. As jets of hot gas expelled backwards through tails nozzles at very high speed. An equal and opposite momentum is given to the jet which then move it forward

*13c)*
Given:
Mass m, =0.2kg
Heat lost  it = 4200J
Initial temperature θi= 100°c
Final temperature θf =?
Salt C of water, Cw = 4200j/kg/k

Using
Heat lost Mw Cw (θi -  θf)
4200 = 0.2×4200 × ( 100 - θf)
(100 -  θi)  = 4200 / 0.2× 4200

100 - θf = 5
100 -  5 = θf
===>θf =100 -  5
θf =95°c
Final temperature  = 95°c

 
16a
Heisenberg Uncertainty Principle States that it is impossible to know accurately the exact possible and momentum of a particle simultaneously.

16b
1 the electrons found in an atom can only occupy orbits for Which the angular momentum is quantized which results in discrete values for the radius and energy
2. If an electron jumps to a lower state, it emits a photon whose energy equals the difference in energy between the two States (hf=Eu-El), f is the frequency of the light emitted.....
Still typing..........
17ai)
Scientific research: rockets are used by scientists to explore d earth's atmosphere. The rockets carry metereological equipment such as barometers,cameras,thermometers, etc up to the atmosphere and up there,they are used to measure weather conditions and make weather forecasts. These weather equipments are carried in weather satellite and transported into the atmosphere by a rocket.
___________________________

17aii)
Power: electricity is needed for the instruments and to enable the spacecraft directional control. In most cases , power is provided by solar arrays. Sometimes, in cases like the recently launched ,saturn-bound satellite,called CASSINI, solar arrays do not supply enough power for planetary probes; instead,nuclear generators are used.

COMMUNICATION: the satellite with ground control so directions and commands can be sent up and down. To provide radio contract,satellites have radio antennae
_______________________

17b)
It increases the life span of the machine
It reduces wear nd tear.
_________________________

17c) ​

1a) i) The body tube
    ii) The launch jug
    ii) The fins
    iv)The engine holder
    V) The nose cone
    Vi) The recovery device

b) i) Telepresence
   ii) Broadcasting
   iii) Tele communication
   iv) internet and multimedia


*_NIK ™✓✓💯💯*

4)  The specific latent heat of vaporization of a substance is the quantity of heat required to change unit mass of the substance from its liquid at the boiling point to vapour without a change in temperature

ii) potential energy is simply stored energy or the energy possessed by a body by virtue of its position while
Kinetic energy is the energy possesed by a body by virtue of its motion

4b.
Kinetic energy is energy possessed by a body by virtue of its movement.

Potential energy is the energy possessed by a body by virtue of its position or state.

 kinetic energy of an object is relative to the state of other objects in its environment,

 potential energy is completely independent of its environment


*NIK ™✓✓*


3) The examples of stable equilibrium are :
a) a cone resting on its base
b) a racing car with low centre of gravity and wide base

Examples of neutral equilibrium are;
a) a cone or cylinder or an egg resting on its side
b) a ball on a smooth horizontal table

II) a ship is able to float because it is designed to displace a large volume of water, thus providing a big upthrust.




6) Wave front is defined as a line or surface in the path of an advancing wave on which all the particles are in the same phase or state of disturbance

ii) a) transverse wave
    b) longitudinal wave
*BRAVO-™✓✓*

No10)


1. Fusion makes more energy than fission.


2. No nuclear waste to figure out how to dispose of safely.


3. Less energy u
sed to fuse than to split.
=======================
*PHYSICS THEORY* *SOLUTION*
*BY NIK™® of KOLLYTECH*


*9a)*
i) Over charging(for secondary cell) ii)self discharge (for primary cell)

*9b)*
Self discharge:A primary cell lose a considerable percentage of their charge when stored at room temperature. This is due to non-current producing "side" chemical reaction that occur within the cell even when no load is applied
_________________________-
*10)*
i)Fusion is more easily achieved with lightest elements such as hydrogen
ii) The raw materials required for fusion are more cheaply and readily available
iii) Fusion process produce less dangerous  by-products


1b)

Given:
Object distance for eyepiece=3.0cm
Final image distance V =?
Focal length of eyepiece f=5.0cm
Using mirror / lens formular

1/f = 1/u  + 1/v
1/5= 1/3 + 1/v
Multiplying through with 15v
3v = 5v + 15
3v - 5v = 15
-2v = 15
V =  - 15/2
V= - 7.5cm

The final image is virtual and 7.5cm from the eyepiece on the same side of the eyepiece as the object

*NIK. 5) a. Sun
    b. Wind
II) M1U1 + M2U2 = (M1 + M2) V
M1 = 15kg, M2= 5kg u1=10m/s u2=0 v=?
Momentum before = momentum after
15×10 +5×0 = (15 +5)v
150 + 0 = 20v
150 = 20v
V=7.5m/s

*12ai)*
Newtons second law of motion state that the rate of change of momentum of a body is proportional to the applied force and take place in the direction of the surface

*12aii)*
i)A swinging pendulum
ii) motion of the balance wheel of a watch

*12bi)*
A resultant force is that single force which could have the same effect in magnitude and direction as the original force acting together

*(12bii)*
Am equilibrium force is that single force which will balance all the other forces taken together.it is equal in magnitude but opposite in direction to the resultant  force

12ci)
Resultant force  F =√4^2 + 3^2
F =√16 + 9
F =√25
F=5N

2cii)
Using F =  m(v -  u) / t

5= 5.5 (v - 2) / (5 × 60)
=5 × 60×5 = 5.5(V-2)
5.5(V -  2) = 1500
V - 2 = 272.7
V=272.7 + 2
V=274.7m/s

Final velocity of body is = 274.7m/s


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Wednesday, July 5, 2017

CHEMISTRY OBJ AND THEORY ANSWER NOW AVAILABLE

.
    Chem obj

1-10   BCBAEDCCAB
11-20 CCACDEADBC
21-30 ECBDDADADC
31-40  CABEBBABCA
41-50  BBEBAABDEB
51-60  CBEEECEBDA


Completed

*_NIK-TEAM 💯 💯 ✔ ✔ ✔_*
B


6ai)
I)solution A is starch solution, sample B is Iodine
II)the colouration is formed due to the formation of an Iodine starch complex
III)
i)Iodine is used in treatment of goitre
ii)Iodine is used in making dye for colour photography
6aii)
dalton's law of partial pressure states that in a mixture of non-reacting gases, the total pressureexerted is equal to the sum of the partial pressuresof the individual gases.
6bi)
C - 4.08/12, H - 0.68/1, O - 5.46/16
0.34/0.34, 0.68/034, 0.34/0.34
1, 2, 1.
The emperical formula is CH2O
6bii)
( CH2O)n =60
((12*1)+(1*2)+(16*1))n=60
(12+2+16)n=60
30n/30=60/30
n=2
(CH2O)2=C2H4O2
the molecular formular is C2H202
6ci)
i)exothermic reaction
ii)A is activation energy, B is DH(Negative)
6cii)
i)removeal of carbon(iv)oxide
ii)liquetying the air
6ciii)
vander waal forces
6di)
fats have higher melting point than oil because fats are more denser
6dii)
i)it is poisonous
ii)it is 2,5 times denser than air
iii)it is greenish-yellow gas with a choking smell
6diii)
Zn^2+ has comppletely filled d-orbitals and there are no vacant d-orbitals for the transition of electrons while Sc^3+ has completely empty d-orbital and there are no electrons for d-d transition thus they are colourless

1bi)-A
-D
-C
-E
-B

1bii) A standard solution is a solution containing a precisely known concentration of an element or a substance. A known weight of solute is dissolved to make a specific volume. It is prepared using a
standard substance, such as a primary
standard.

1biii)-A dilute solution contains a smaller amount of solute than does a concentrated solution
- A dilute solution contains more solvent than an equal volume of
concentrated solution does.

1ci)- monosaccharides
-disaccharides

1cii)

1ciii) A lighted wooden splint goes out in a
test tube of carbon dioxide but this happens with other gases, too. It is better to bubble the test gas through limewater - calcium hydroxide solution. Carbon dioxide turns limewater cloudy white.
*CHEMISTRY SOLUTIONS*

1ai)-Boiling Point and Freezing Point.
-Surface Tension, Heat of Vaporization, and Vapor Pressure.

1aii)

1aiii)- Aluminium

1aiv)bauxite

1bi)-A
-D
-
-
-

1bii) A standard solution is a solution containing a precisely known concentration of an element or a substance. A known weight of solute is dissolved to make a specific volume. It is prepared using a
standard substance, such as a primary
standard.

1biii)-A dilute solution contains a smaller amount of solute than does a concentrated solution
- A dilute solution contains more solvent than an equal volume of
concentrated solution does.

1ci)- monosaccharides
-disaccharides

1cii)

1ciii) A lighted wooden splint goes out in a
test tube of carbon dioxide but this happens with other gases, too. It is better to bubble the test gas through limewater - calcium hydroxide solution. Carbon dioxide turns limewater cloudy white.


==================

3ai)
i) Metals differ so widely in hardness, ductility (the potentiality of being drawn into wire), malleability, tensile strength, density, and melting point.

ii) Mercury is liquid at room temperature and gallium melts on our hand while tungsten has a melting point of 3687K (3414 0C)

iii) Most metals are highly lustrous (they shine very brightly) and sonorous (they produce sound when struck)

=========================

5ci) Boyle's law states that at constant temperature for a fixed mass, the absolute pressure and the volume of a gas are inversely proportional. The law can also be stated in a slightly different manner, that the product of absolute pressure and volume is always constant.


CHEMISTRY SOLUTIONS BY *NIK-TEAM 💯 💯 ✔ ✔ ✔*

1ai)-Boiling Point and Freezing Point.
-Surface Tension, Heat of Vaporization, and Vapor Pressure.

1aii)

1aiii)- Aluminium

1aiv)bauxite

1bi)-A
-D
-
-
-

1bii) A standard solution is a solution containing a precisely known concentration of an element or a substance. A known weight of solute is dissolved to make a specific volume. It is prepared using a
standard subs as a primary
standard.

1biii)-A dilute solution contains a smaller amount of solute than does a concentrated solution
- A dilute solution contains more solvent than an equal volume of
concentrated solution does.

1ci)- monosaccharides
-disaccharides

1cii)

1ciii) A lighted wooden splint goes out in a
test tube of carbon dioxide but this happens with other gases, too. It is better to bubble the test gas through limewater - calcium hydroxide solution. Carbon dioxide turns limewater cloudy white.


================== SOLUTIONS BY *NIK-TEAM 💯 💯 ✔ ✔ ✔*
2ai) - Oxidation is a process involving on loss of electrons
- Reduction is a process involving the removal at electronegative elements as well as the addition of electro positive elements
SOLUTIONS BY *NIK-TEAM 💯 💯 ✔ ✔ ✔*
2aii) - Nitrogen is a colourless,odourless and tasteless gas
- it is slightly lighter than air

2aiii) X represents urea [(NH2)2Co)]
- Y represents water[H2o]


2ciii) Polymerization is the process whereby two or more monomers link together to form a compound of high molecular mass called the polymer
SOLUTIONS BY *NIK-TEAM 💯 💯 ✔ ✔ ✔*
2civ) - It is used as a fuel in rockets
- It is sometimes uses as an anti-freeze
-it is used to dissolve soaps,perfumes etc

======= SOLUTIONS BY *NIK-TEAM 💯 💯 ✔ ✔ ✔* ==========================================
3ai)
i) Metals differ so widely in hardness, ductility (the potentiality of being drawn into wire), malleability, tensile strength, density, and melting point.
ii) Mercury is liquid at room temperature and gallium melts on our hand while tungsten has a melting point of 3687K (3414 0C)
SOLUTIONS BY *NIK-TEAM 💯 💯 ✔ ✔ ✔*
iii) Most metals are highly lustrous (they shine very brightly) and sonorous (they produce sound when struck)

= SOLUTIONS BY *NIK-TEAM 💯 💯 ✔ ✔ ✔* =======================
5a) Peroxide are oxides containing a higher proportion of oxygen than the ordinary oxides
SOLUTIONS BY *NIK-TEAM 💯 💯 ✔ ✔ ✔*
ii)-Sodium Peroxide Na2O2
-Hydogen Peroxide H2O2
-Barium Peroxide Ba2O
-Calcium Peroxide CaO2

Iii)
 II)The Ionic Polar Head of Soap Molecules that are responsible for it solubility
III) In acidic Water it react with excess Hydogen ions to form unionized fatty Acids
SOLUTIONS BY *NIK-TEAM 💯 💯 ✔ ✔ ✔*
iv) Biodegradibility of Soap Molecules means that Soap can easily be decomposed by bacteria into simple inorganic substances, so it does not cause Water Pollution
5ci) Boyle's law states that at constant temperature for a fixed mass, the absolute pressure and the volume of a gas are inversely proportional. The law can also be stated in a slightly different manner, that the product of absolute pressure and volume is always constant.

SOLUTIONS BY *NIK-TEAM 💯 💯 ✔ ✔ ✔*

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