JAMB Chemistry Past Questions & Answers - Page 201

1,001.

Sulphur (IV)oxide is a strong reducing agent in the presence of water due to the formation of

A.

hydroxide ion

B.

sulpgur (Vl)oxide

C.

hydrogen sulhide

D.

trioxosulphate (IV) salt

Correct answer is D

No explanation has been provided for this answer.

1,002.

Which of the gases is employed as an anaesthesia?

A.

N 2O

B.

NO2

C.

NH3

D.

NO

Correct answer is A

No explanation has been provided for this answer.

1,003.

In the laboratory preparation of ammonia, the flask is placed in a slanting position so as to

A.

prevent condensed water from breaking the reaction flask

B.

enable the proper mixing of the reactions in the flask

C.

enhance the speed of the reaction

D.

prevent formation of precipitate

Correct answer is A

No explanation has been provided for this answer.

1,004.

Which of the following compounds is a neutral oxide?

A.

Carbon (IV) oxide

B.

Sulphur (Vl) oixide

C.

Sulphur (IV) oxide

D.

Carbon (ll) oxide

Correct answer is D

No explanation has been provided for this answer.

1,005.

The minimum amount of energy required for a reaction to take place is

A.

lattice energy

B.

ionization energy

C.

activation energy

D.

kinetic energy

Correct answer is C

No explanation has been provided for this answer.