Air around Us T...

The correct ascending order of gases as per their composition in air is:

Air is regarded as a mixture because:

Which is the most abundant gas in our atmosphere ?

Which of the following gases burns in air?

The percentage of nitrogen and oxygen in air is:

What is the major constituent of air?

A greenhouse gas that absorbs energy and maintains earth's temperature is:

Carbon dioxide constitutes nearly ___ % of the atmosphere.

Combustion can not take place without:

Which of these statements are true about air?
(i) Air is a mixture of several types of gases.
(ii) Air exerts pressure.
(iii) The composition of air is constant in the atmosphere.