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Wednesday, January 27, 2016

See 2016/2017 JAMB CBT Chemistry Answers For All Science Students

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Here is the answer to the 2016/2017 possible/likely questions we posted earlier
Did you miss the questions CLICK HERE TO DOWNLOAD.
2016/2017 JAMB POSSIBLE/LIKELY QUESTION & ANS ON CHEMISTRY
1. [Ans: Rate of reaction, R= [change in concentration]/time .A]
2. [Ans: Using the general gas equation, P1 V 1/T1= P2 V2/ T2*:
3. [Ans. Benzene is produced in the reaction. B]
Download These Answers In PDF File Here
4. [Ans; The reason is that both elements are positioned diagonally to each other. Hence, a diagonal relationship exist between them. B]
5.  [Ans. Ph is the negative logarithm of hydrogen or hydroxonium ion concentration= log10 1/H3O+. C]
6.  [Ans. Efflorescence is the process through which hydrated salts lose all or part of their water of crystallization to the atmosphere. D]
7. [Ans. The nitrogen from air contains noble gas which add to its weight. A]
8. -
9. [Ans. Through fermentation, starch is converted to ethanol. B]
10.
[Ans. Zinc is used in the electrolytc extraction of calcium from calcium chloride. C]
10.
[Ans. Haloaknes have the general formular: CnH2n+1X. C]
11.
[Ans. Ethyne is stored by dissolving it in propanone. C]
12. D
13.
[Ans. Diesel oil is used in heating furnaces. A]
14.
[Ans. The anode is made of platinum because chlorine does not react with platinum. C]
15.
 [Ans. A mixture differs from a compound in the sense that the constituents of a compound are chemically bound together while those of a mixture are not. B]
16.
[Ans. D]
17.
[Ans. A]
18.
[Ans. B]
19.
[Ans. C]
20.
[Ans: A]
21.
[Ans: D]
22.
[Ans. A]
23.
[Ans. D]
24. -
25.
[Ans. D]
26.
[Ans: B]
27.
[Ans C]
28.
[Ans B]
29.
[Ans: A]
30
[Ans: C]

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