JAMB Chemistry Past Questions & Answers - Page 315

1,571.

An organic compound has an empirical formula CH2O and vapour density of 45.
What is the molecular formula?
[C = 12, H = 1, O = 16]

A.

C3H7OH

B.

C2H5OH

C.

C3H6O3

D.

C2H4O2

Correct answer is C

No explanation has been provided for this answer.

1,572.

Which of the following compounds will undergo polymerization reaction?

A.

C2H4

B.

C2H5COOH

C.

C2H6

D.

C2H5OH

Correct answer is A

No explanation has been provided for this answer.

1,573.

The ability of carbon to form long chains is referred to as

A.

alkylation

B.

acylation

C.

catenation

D.

carbonation

Correct answer is C

No explanation has been provided for this answer.

1,574.

The constituents of baking powder that makes the dough to rise is

A.

NaHCO3

B.

NaOH

C.

Na2CO3

D.

NaCl

Correct answer is A

No explanation has been provided for this answer.

1,575.

Bronze is preferred to copper in the making of medals because it

A.

is stronger

B.

can withstand low temperature

C.

is lighter

D.

has low tensile strength

Correct answer is A

No explanation has been provided for this answer.