The most abundant constituent of air is ____.
Impurities
Air is a mixture of many gases, dust particles and water vapour. The most abundant constituent of air is nitrogen gas (78%) followed by oxygen (21%).
The most abundant constituent of air is
Q2. (a) What are the different constituents of air?
(b) Which is the most abundant gas present in the air? Give the relative abundance of the oxygen gas present in the air.