Question

What is air? Name the gases present in air? ​

Answer 1

Answer:

which the many gases present in we caĺled air.

for example He,NO2, O2, H

name of gases present in air O2

Answer 2

Air is defined as mixture of gases which forms the atmosphere of earth. Air is a clear mixture of gases which is important for human life and other living forms on earth.

The composition of air is:

1) 78% nitrogen

2) 21% oxygen

3) 1% other gases which include water vapours, argon, dust particles, carbon dioxide, etc.

Oxygen is the most utilised gas present in air which is responsible for the living forms on earth. Carbon dioxide is also used by plants to make their food.