Question

2. Why is it said that
(a) Air is a homogeneous mixture of
various gases



7th​

Answer 1

Answer:

Air is said to be Homogeneous mixture of different gases because it contains different gases like Nitrogen ,oxygen, carbon dioxide, argon, etc. This is said to be homogeneous mixture because the constituent cannot be distinguished unlike heterogeneous mixture.

Answer 2

Answer:

Since air does not have a fixed composition, it can't be called a compound. But it has lot of constituents present in it in various proportions, hence it is a mixture. As it is uniform in nature, it is a homogeneous mixture.