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.

3,356.

Which of the following alkanes has the highest boiling point?

A.

Pentane

B.

Ethane

C.

Propane

D.

Methane

Correct answer is A

No explanation has been provided for this answer.

3,357.

The conversion of open chain alkanes into cycloalkanes and aromatic compounds is called

A.

cracking

B.

reforming

C.

isomerization

D.

polymerization

Correct answer is B

No explanation has been provided for this answer.

3,358.

How many structural isomers of chlorobutane are possible?

A.

4

B.

3

C.

2

D.

1

Correct answer is A

No explanation has been provided for this answer.

3,359.

The hydrocarbon used in the production of styrene is

A.

ethyne

B.

propyne

C.

ethane

D.

ethene

Correct answer is D

No explanation has been provided for this answer.

3,360.

Which of the following compounds is the best possible anti-knock agent for petrol?

A.

(CH3)2CH - CH(CH3)CH2CH3

B.

CH3CH2(CH3)CHCH2CH2CH3

C.

CH3CH2(CH3)CHCH2CH2CH3

D.

(CH3)3C - CH2CH2CH3

Correct answer is A

No explanation has been provided for this answer.