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.

2,416.

The gas responsible for most of the fatal explosions in coal mines is

A.

butane

B.

ethene

C.

ethane

D.

methane

Correct answer is D

No explanation has been provided for this answer.

2,417.

The alkaline hydrolysis of fats and oils produces soap and

A.

propane 1, 1, 3 - triol

B.

propane - 1,2,3 - triol

C.

propane - 1,3,3 - triol

D.

propane - 1, 2, 2 - triol

Correct answer is B

No explanation has been provided for this answer.

2,418.

The bond which joins two ethanoic acid molecules in the liquid state is

A.

a covalent bond

B.

an ionic bond

C.

a dative covalent bond

D.

a hydrogen bond

Correct answer is D

No explanation has been provided for this answer.

2,419.

The reaction between ethanoic acid and sodium hydroxide is an example of

A.

esterification

B.

neutralization

C.

hydroxylation

D.

hydrolysis

Correct answer is B

No explanation has been provided for this answer.

2,420.

Vulcanization of rubber is a process by which

A.

isoprene units are joined to produce rubber

B.

rubber latex is coagulated

C.

sulphur is chemically combined in the rubber

D.

water is removed from the rubber

Correct answer is C

No explanation has been provided for this answer.