JAMB Chemistry Past Questions & Answers - Page 158

786.

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.

787.

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.

788.

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.

789.

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.

790.

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.