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.

1,326.

The main function of limestone in the blast furnace is to

A.

act as catalyst

B.

act as reducing agent

C.

remove impurity

D.

supply carbon (IV) oxide

Correct answer is C

No explanation has been provided for this answer.

1,327.

A hydrocarbon compound contains 92.3% carbon Determine its empirical formula [H = 1.00; C = 12.0]

A.

CH

B.

CH2-

C.

CH3

D.

C3H2

Correct answer is A

No explanation has been provided for this answer.

1,328.

Which of the following reactions is common to all hydrocarbones?

A.

Combustion

B.

Addition

C.

Polymerization

D.

Condensation

Correct answer is A

No explanation has been provided for this answer.

1,329.

How many isomers has C 3H 6CI 2?

A.

2

B.

3

C.

4

D.

5

Correct answer is A

No explanation has been provided for this answer.

1,330.

Which of the following organic compounds would decolourize bromie water?

A.

Benzene

B.

Cyclobutane

C.

Hexane

D.

Pentane

Correct answer is A

No explanation has been provided for this answer.