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.

3,816.

The number of waves made by an electron moving in an orbit having maximum magnetic quantum number +3 is

A.

4

B.

5

C.

2

D.

zero

Correct answer is A

No explanation has been provided for this answer.

3,817.
3,818.

The isomerism which exists between CH3CHCI2 and CH2CI. CH2CI is

A.

chain isomerism

B.

functional group isomerism

C.

positional isomerism

D.

metamerism

Correct answer is C

No explanation has been provided for this answer.

3,819.

The human body is made up of several chemical elements; the element present in the highest proportion (65%) in the body is

A.

carbon

B.

hydrogen

C.

oxygen

D.

nitrogen

Correct answer is C

No explanation has been provided for this answer.

3,820.

The hottest part of the gas flame is known as

A.

luminous zone

B.

dark zone

C.

blue zone

D.

non-luminous zone

Correct answer is D

No explanation has been provided for this answer.