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BATCH 1. 7:00AM (14th March) 2020 JAMB CBT CHEMISTRY QUESTIONS AND ANSWERS


BATCH 1. 7:00AM (14th March) 2020 JAMB CBT CHEMISTRY QUESTIONS AND ANSWERS

BATCH 1. 7:00AM (14th March) 2020 JAMB CBT CHEMISTRY QUESTIONS AND ANSWERS



*1 :- the element with an electron configuration 1s2 2s2 2p6 3s23p64s2*

ANSWER = a noble gas

*2 :- ethanoic acid is monobasic because its*

CORRECT ANSWER = has one replaceable hydrogen molecule

*3 :- the type of bond in nitrogen molecule is*

CORRECT ANSWER = covalent

*4 :- in the hydrogenation of benzene, the catalyst used is*

CORRECT ANSWER = Ni

*5 :- the acid found in sour milk is*

CORRECT ANSWER = lactic acid

*6 :- transition metals with higher oxidation state will form oxides that

are*

CORRECT ANSWER = basic

*7 :- the iupac nomenclature of the compound above is*

CORRECT ANSWER = pent-2-yne

*8 :- in the diagram above X is*

CORRECT ANSWER = H2

*9 :- if 200cm3 of oxygen passes through a porous plug in 100sec.find

the time taken for the same volume of hydrogen to pass through the

same porous plug*

CORRECT ANSWER = 25s

*10 :- the method used in purifying sugar is*

CORRECT ANSWER = crystallization

*11 :- the activation energy of a chemical reaction can be lowered by*

CORRECT ANSWER = the addition of a catalyst

*12 :- in the equation above X is*

CORRECT ANSWER = CH3COOCH2CH3

*13 :- a solubility curve is a plot of the solubility of solute against*

CORRECT ANSWER = TEMPERATURE

*14 :- the method that is not economical for the removal of hardness in

water for town supply is*

CORRECT ANSWER = permute

*15 :- in the electrolytic extraction of sodium from fused sodium chloride

calcium chloride is usually added to*

CORRECT ANSWER = remove impurities

*16 :- grades of petrol having octane number nearer zero will cause a

motor car engine to ‘*

CORRECT ANSWER =

*17 :- nickel is plated on steel to*

CORRECT ANSWER = increase its strength

*18 :- the solubility in mol/dm3 of 20.2g of potassium

trioxonitrate(V)dissolved in 100g of water at room temperature is*

CORRECT ANSWER = 2

*19 :- what is the atomic number of an element having 127 neutrons and

82 electrons*

 *CORRECT ANSWER = 82

*20 :- 28.80CM3 OF NITROGEN AT 15c is cooled to 0C.its volue ar

constant pressure is*

*CORRECT ANSWER = 27.3

*21 :- what physical property of alkane decreases as the number of

carbon atoms increases*

*CORRECT ANSWER = solubility

*22 :- which of the following substances are made by polymerization*

*CORRECT ANSWER = nylon and artificial rubber

*23 :- which of the following compounds is unsaturated*

*CORRECT ANSWER = methylbenzene

*24 :- a compound contains 31.9% potassium 28.93 chlorine and the

remaining oxygen. What is the chemical formula of the compound?*

*CORRECT ANSWER = KClO2

*25 :- the use of neon light in aerodrome beacons is due to its*

*CORRECT ANSWER = COLOUR

*26 :- K4Fe(CN)6 is an example of a

*CORRECT ANSWER = complex

*27 :- if T change in s is small relative to change in H at room

temperature the value of change in G will be*

*CORRECT ANSWER = positive

*28 :- the solubility of alkanols in water is due to the presence of*

*CORRECT ANSWER = hydroxyl group

29 :- when lubricating oil is redistilled, it yields*

*CORRECT ANSWER = petroleum jelly

*30 :- the iupac nomenclature of K2Cr2O7 SI*

*CORRECT ANSWER = potassium heptaoxochromate(VI)

*31 :- alkynes burn with smoky luminous flame due to high

*CORRECT ANSWER = carbon content

*32 :- ozone is known for its ability to*

*CORRECT ANSWER = attack the respiratory tract of organisms

*33 :- which of the following properties is peculiar to graphite?*

*CORRECT ANSWER = it is unreactive

*34 :- calculate the amount in moles of zinc that will be deposited by

passing 10 faradays of electricity through a solution of zinc salt*

*CORRECT ANSWER = 5

*35 :- the air pollutant that dissolves in water due to produce acid rain is*

*CORRECT ANSWER = O3

*36 :- the property pecuiliar to pure oxygen is that it*

*CORRECT ANSWER = is lighter than air

*37 :- the principal property that determines the method of an extraction

of a metal from its ore is its*

*CORRECT ANSWER = position in the activity series

*38 :- when water is added to calcium oxide, it forms*

*CORRECT ANSWER = calcium hydroxide

*39 :- in the reaction above, the reverse reaction can be favored by*

*CORRECT ANSWER = decreases the temperature

*40 :- an element with electron configuration 1s2 2s2 2p6 3s2 3p4

belongs to the*

*CORRECT ANSWER = p-block


Frequently Asked Qestions and Answers

2.2 degree - how bad is it? : AskUK - Reddit

Is a 2.2 degree bad?

Probably not, you still have a degree. It's pretty bad though as you are competing with grads with 2:1 for good jobs. You can hustle to work on your CV and gain skills in the next few years, but opportunities would come as easily as someone with a 2:1 or 1st.
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FAQ - WAEC Nigeria

How many subjects are required for Waec?

Candidates are required to enter and sit for a minimum of eight (8) and a maximum of nine (9) subjects. (iv) At least one of Physics, Chemistry and Biology. (v) At least one of Literature-in-English, History and Geography.
Candidates are required to enter and sit for a minimum of eight (8) and a maximum of nine (9) subjects. (iv) At least one of Physics, Chemistry and Biology. (v) At least one of Literature-in-English, History and Geography.

Is my WAEC Result good enough to Study Abroad Nigerian Students

Can I use Waec to study abroad?

Students with good WAEC result can enroll into universities abroad and most institutions in abroad offers admissions to students with WAEC results as long as they agree to undertake a foundation course.
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5 Clever Ways Students Cheat on Online Exams and How to Stop ...

How can I cheat in online test?

When giving exams from remote locations, the candidate has the freedom to make use of multiple monitors to have a friend simultaneously access the exam questions and provide answers. Candidates have been known to use screen sharing and mirroring to cheat in tests.
1) Screen Sharing/Mirroring: When giving exams from remote locations, the candidate has the freedom to make use of multiple monitors to have a friend simultaneously access the exam questions and provide answers. Candidates have been known to use screen sharing and mirroring to cheat in tests.May 5, 2020

National Examination Council (Nigeria) - Wikipedia

How many times is Neco written in a year?

Two examinations are held annually. On 15 July 2013, some plans were made by the federal government of Nigeria to remove the National Examination Council (NECO) From the Nigeria Education System due to low and average passing percentage from candidates across the state in Nigeria.
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WAEC Grading System for Examinations. | Download Table

What is a distinction in Waec?

... is externally organized and graded by the West Africa Examinations Council (WAEC), which clas- sifies candidates who obtain BECE Aggregate 6 to 12 as "distinction" or "good" students, Aggregate 13 to 24 achiev- ers as "average," and Aggregate 25 and above achievers as "weak" students (Asihene, 2009;Dorleku, 2013; ...
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Is Wassce equivalent to GCSE? ? Education ? Best Discussion ...

Is GCSE equivalent to Waec?

Is Wassce equivalent to GCSE? Minimum of three passes at GCE A-level at grade C or above, and five passes at GCSE/IGCSE level at grade C or above, including English and Maths with equivalent qualifications such as African WAECs - 6 passes at grades 1-6, including Maths and English.
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Can One Use NABTEB Result To Gain Admission Abroad? See ...

Can I use Nabteb to study abroad?

See Answer. Can i Use my NABTEB Result to study at any University or Institution Abroad? ... The Results offered after participating in NABTEB Examination is called NABTEB RESULT and it can be used to gain admission into Universities, Polytechnics or Colleges of Education.
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West African Senior School Certificate Examination - Wikipedia

Is d7 fail or pass?

WAEC grading systemGradesDefinitionInterpretationC6Credit50% - 54%D7Pass45% - 49%E8Pass40% - 44%F9Fail0% - 39%5 more rows

WAEC grading system 2020-2021 ? Legit.ng

Is c6 a good grade?

C6 (50-54%), C5 (55-59%) and C4 (60-64%) are credit grades. B3 (65-69%) is a Good grade. B2 (70-74%) is a Very Good grade. A1 (75-100%) is an Excellent grade.
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West African Senior School Certificate Examination - Wikipedia

What is Waec certificate called?

WASSCE Nov/Dec, also known as General Certificate Examination (GCE) or WAEC GCE, is a private examination and uniforms are not required but biometric registration is compulsory as in the former.
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HOW TO PASS ANY TEST WITHOUT STUDYING - YouTube

How can I get full marks in exam without studying?

Reasons Why NECO Result is Accepted for Study in Canada ...

Does Canada accept NECO?

Reasons Why NECO Result is Accepted for Study in Canada. You sure read that correctly, NECO result is accepted for study in Canada if you did't know. And if you already know this, you definitely would have been surprised when you read the caption since NECO is a Nigerian examination.
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NECO Registration Form 2020/2021 and Latest Exams Updates ...

How much is Neco Nigeria?

To register for NECO examination, candidates are to obtain a draft and pay a non-refundable fee of Twelve Thousand Naira Only (N12,000) paid via bank draft or to school management if internal registration. The payment can be done in any NECO office, banks and Nipost offices nationwide.
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Original WAEC Certificate Collection: How To Go About It Easily

How do I get my original Waec certificate?

So, if yours is an internal examination, kindly go to your school for collection. For private candidates, you need to go to the nearest WAEC office and make inquiry. Just remember, if it's been more than a year since your certificate was released, you will have to pay a fee to collect your certificate.
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GCE ? MULTINATIONAL EDUCATIONAL CONSULTING

What is GCE exam?

What is GCE? It is General Certificate Examination. The GCE as it usually called by many people are two based on the bodies that conduct them. There is the West African Senior School Certificate Examination (WASSCE) for school private candidates in November/December.
What is GCE? It is General Certificate Examination. The GCE as it usually called by many people are two based on the bodies that conduct them. There is the West African Senior School Certificate Examination (WASSCE) for school private candidates in November/December.

9 Creative and Inventive Ways for Students to Cheat in Exams

How can I cheat in exam?

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Never too old for new tricks: the joy of being a mature student ...

Is 40 too old for university?

Age is not a barrier when it comes to learning. About 40% of mature students studying at university are over the age of 30, some in their 50s and 60s. ... Ucas says that universities are happy to accept older students as most arrive with high levels of enthusiasm, commitment and additional life experience.
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WAEC, NECO and NABTEB: What you need to know about Nigerian ...

Is NECO and WAEC the same?

National Examinations Council, otherwise known as NECO, is a national examination body established by the Nigerian government to conduct examinations. Unlike WAEC, NECO is a national examination body vested with the responsibility to oversee specified exams only in Nigeria.
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WAEC grading system 2020-2021 ? Legit.ng

What is d7 Waec?

It means that you have scored 39% or less on your exam. It is a failure grade. E8 (40-44%) and D7 (45-49%) are passing grades. C6 (50-54%), C5 (55-59%) and C4 (60-64%) are credit grades. B3 (65-69%) is a Good grade.
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Proctor U Tries to Take Cheating Out of the Testing Process - Over ...

Is it possible to cheat on ProctorU?

?The reality of the situation is ? with Proctor U or traditional testing ? nothing is cheat-proof. ?A well-working testing program is one that admits that you're going to have vulnerabilities that are going to pop up from things you had not even thought of.
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List of Universities in Germany that Accept WAEC Results | GH ...

Is Waec accepted in Germany?

The WAEC examination is open to both private and school candidates. ... Most universities in Germany accepts WAEC results from West African students. So, you need to meet their minimum requirements before you're offered admission into a German university.
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Here Is The Current WAEC Grading System | 2020 JAMB and Post ...

What are the grades in Waec?

Under the new WAEC grading system, A1 is Excellent, B2 Very Good, B3 Good, C4, C5 and C6 are interpreted as Credit, D7 and D8 are interpreted as Pass, while F9 is Fail. A1 and B2 in the WASSCE means Excellent, B3 is B (Very Good), C4 is C (Good), C5 and C6 are D (Credit), D7 and E8 are E (Pass) and F9 is F (Fail).
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NECO 2020 BECE Registration Form ("Junior WAEC") ? NGScholars

How much is junior Waec fees?

The following are the approved fees for the examination and other related items: Registration fees ? 4,000.00 Naira (Mandatory fee) Late Registration ? 1,000.00 Naira per candidate ? (Mandatory fee) Re-Sit Exam ? 1,000.00 Naira per copy.
The following are the approved fees for the examination and other related items: Registration fees ? 4,000.00 Naira (Mandatory fee) Late Registration ? 1,000.00 Naira per candidate ? (Mandatory fee) Re-Sit Exam ? 1,000.00 Naira per copy.Feb 18, 2020

Is college free in Canada for citizens? - Quora

Is universities in Canada free?

College/University is definitely not free in Canada, unless you get a scholarship or one of your parents works at an institution where they provide that benefit to the children of employees. e.g. Ontario has the highest average undergraduate tuition at about $7800 per year (2 semesters) in the 2015/2021 year.
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Which Is More Easier To Pass Between WAEC, NECO, & NABTEB ...

Is Neco harder than Waec?

NECO seems less difficult compared to WAEC but not also easy to make A's.
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How do people cheat on online proctored exams? - Quora

How can I cheat online proctored exams?

There are many ways that test-takers can cheat on an online proctored exam. They may sneak in their cellphones, have hidden cheat sheets, use electronic gadgets such as a digital watch or a Bluetooth earpiece, or have a fake identity, etc.

NECO Registration Form 2020/2021 and Latest Exams Updates ...

How much is Neco Nigeria?

To register for NECO examination, candidates are to obtain a draft and pay a non-refundable fee of Twelve Thousand Naira Only (N12,000) paid via bank draft or to school management if internal registration. The payment can be done in any NECO office, banks and Nipost offices nationwide.
To register for NECO examination, candidates are to obtain a draft and pay a non-refundable fee of Twelve Thousand Naira Only (N12,000) paid via bank draft or to school management if internal registration. The payment can be done in any NECO office, banks and Nipost offices nationwide.Mar 26, 2020

What is the US equivalent (GPA) of a 2:1 BEng (honors) degree from ...

What is a 2.1 degree in GPA?

A2A A 2:1 (honors) - Second Class Honors, Upper division - converts to an A-/B+ which is the average of 3.7+3.3/2= 3.5. You do not use percentages. See Grade Conversion Guide | World Education Services . ... My overall degree average (second and first year) score is 59% .

Here Is The Current WAEC Grading System | 2020 JAMB and Post ...

Is d7 fail in Waec?

You are required to get at least a credit pass (50%) in your core subjects. Under the new WAEC grading system, A1 is Excellent, B2 Very Good, B3 Good, C4, C5 and C6 are interpreted as Credit, D7 and D8 are interpreted as Pass, while F9 is Fail.
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