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.

1,496.

The ammonium compound used in the manufacture of dry cells is

A.

NH4NO3

B.

(NH4)SO4

C.

NHCI4

D.

(NH4)2CO3

Correct answer is C

No explanation has been provided for this answer.

1,497.

Which of the following substance is an ore of iron?

A.

Bauxite

B.

Cassiterite

C.

Haematite

D.

Steel

Correct answer is C

No explanation has been provided for this answer.

1,498.

Greenhouse effect can be reduced by controlling

A.

water evaporation

B.

burning wood and fossil fuel

C.

the use of aerosols

D.

the use of artificial fertilizers

Correct answer is B

No explanation has been provided for this answer.

1,499.

What is CaHb in the following equation? C a
H b + 5O2 → 3CO 2 + 4H2O

A.

C 3H4

B.

C3H6

C.

C3H8

D.

C 5H 10

Correct answer is C

No explanation has been provided for this answer.

1,500.

Which of the following compounds is an alkanoate?

A.

CH3COOH

B.

CH3COOCH3

C.

CH3CH2OH

D.

CH3CH2COOH

Correct answer is B

No explanation has been provided for this answer.