Question

why it is said that : air is a homogeneous mixture of various gases

Answer 1

Hey!
Air doesn't consists of one single component, but has too many things and different gases such as O2, CO2, N2 etc. also containg small droplets of water which we know as humidity. It also has very tiny dust particles which are rarely visible.

Hope it helps #))

Answer 2

Homogeneous mixture:
These are the solid ,liquid or gase mixtures with the same proportion of its components at any given sample. This is a mixture which cannot be seperated.

As same as air is also of mixture of many gas which cannot be seperated. so we call air as homogeneous mixture.