Question

1. Air is regarded as a mixture because:
A) Its pressure may very
b) Its temperature may change
C) Its volume changes under differe
conditions
D) Its composition may vary​

Answer 1

D. Air is regarded as a mixture because it’s composition may vary

Answer 2

Answer:

C) Its volume changes under differe

C) Its volume changes under differeconditions

Explanation:

Air is regarded as a mixture because it consists of a number of gases like oxygen, carbon dioxide, nitrogen, neon etc. It also contains pollen grains, dust particles etc. Therefore air is regarded as a mixture.