JAMB Chemistry Past Questions & Answers - Page 372

1,857.
1,858.

A heterogenous mixture can be defined as any mixture

A.

of a solute nd a solvent

B.

whose cmposition is uniform

C.

whose composition is not uniform

D.

formed by solids and liquids

Correct answer is C

No explanation has been provided for this answer.

1,859.

An element wil readily form an electrovalent compound if it electron configuration is

A.

2, 8, 1

B.

2, 8, 4

C.

2, 8, 8

D.

2, 8, 5

Correct answer is A

No explanation has been provided for this answer.

1,860.

The component of an atom that contributes least to its mass is the

A.

proton

B.

nucleus

C.

neutron

D.

electron

Correct answer is D

No explanation has been provided for this answer.