JAMB Chemistry Past Questions & Answers - Page 270

1,346.

An example of a secondary amine is?

A.

propylene

B.

di-butylamine

C.

methylamine

D.

trimethylamine

Correct answer is B

No explanation has been provided for this answer.

1,347.

CxHY + 4O2 → 3CO2 + 2H2O. The hydrocarbon, CxHY, in the reaction above is?

A.

propane

B.

propene

C.

propyne

D.

propanone

Correct answer is C

No explanation has been provided for this answer.

1,348.

The role of sodium chloride in the preparation of soap is to?

A.

purify the soap

B.

separate the soap from glycerol

C.

accelerate the decomposition of the fat or oil

D.

react with glycerol

Correct answer is B

No explanation has been provided for this answer.

1,349.

Aromatic and aliphatic hydrocarbons can be distinguished from each other by the?

A.

action of bromine

B.

use of polymerization reaction

C.

action of heat

D.

use of oxidation reaction

Correct answer is C

No explanation has been provided for this answer.

1,350.

Which of the following pairs has compounds that are isomers?

A.

Propanal and propanone

B.

Ethanoic acid and ethylmethanoate

C.

Ethanoic acid and ethane-1, 2-diol

D.

2-methylbutane and 2, 2-dimethylbutane

Correct answer is A

Propanal and Propanone are functional isomers of each other with the functional group C=O