Chemistry questions and answers

Chemistry Questions and Answers

Learn more about the properties, composition, and structure of substances (elements and compounds) with these Chemistry questions and answers. This Test can be used by students preparing for Chemistry in JAMB, WAEC, NECO or Post UTME.

2,341.

The process of converting starch to ethanol is

A.

cracking

B.

distillation

C.

fermentation

D.

oxidation

Correct answer is C

No explanation has been provided for this answer.

2,342.

Due to the unstable nature of ethyne, it is stored by dissolving in

A.

ethane-1,2-diol

B.

propanol

C.

ethanoic acid

D.

propanone

Correct answer is D

No explanation has been provided for this answer.

2,343.

Ethyne is passed through a hot tube containing organo-nickel catalyst to produce

A.

isoprene

B.

polythene

C.

ethanol

D.

benzene

Correct answer is D

No explanation has been provided for this answer.

2,344.

The alkanol obtained from the production of soap is

A.

propanol

B.

ethanol

C.

glycerol

D.

methanol

Correct answer is C

No explanation has been provided for this answer.

2,345.

The general formula of haloalkanes where X represents the halide is

A.

Cn H 2n-1X.

B.

C nH 2nX.

C.

C nH 2n+2 X

D.

C nH 2n+1X

Correct answer is D

No explanation has been provided for this answer.