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.

836.

The energy which accompanies the addition of an electron to an isolated gaseous atom is

A.

Atomization

B.

Electronegativity

C.

Electron affinity

D.

Ionization

Correct answer is C

No explanation has been provided for this answer.

837.

Propane carbon(IV)oxide diffuse at the same rate because [H = 1.00, C = 12.0, O = 16.0]

A.

They are both gases

B.

Their molecules contain carbon

C.

They have the same relative molecular mass

D.

Both are denser than air

Correct answer is C

No explanation has been provided for this answer.

838.

The spreading of the scent of a flower in a garden is an example of_____?

A.

Brownian motion

B.

Diffusion

C.

Osmosis

D.

Tynadal effect

Correct answer is B

No explanation has been provided for this answer.

839.

The general gas equation \(\frac{PV}{T}\) = K is a combination of

A.

Boyle's and Charles' laws

B.

Boyle's and Graham's laws

C.

Charles' and Graham's laws

D.

Dalton's and Graham's laws

Correct answer is A

No explanation has been provided for this answer.

840.

Which of the following apparatus can be used to measure a specific volume of a liquid accurately?

A.

Beaker

B.

Conical flask

C.

Measuring cyclinder

D.

Pipette

Correct answer is D

No explanation has been provided for this answer.