JAMB Past Questions and Answers - Page 1529

7,641.

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.

7,642.

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.

7,643.

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.

7,644.

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.

7,645.

When excess chlorine is mixed with ethene at room temperature, the product is

A.

1,2 - dichloroethane

B.

1,2 - dichloroethene

C.

1,1 - dichloroethane

D.

1, 1 - dichloroethene

Correct answer is A

No explanation has been provided for this answer.