Question

why is air called a homogeneous mixture?

Answer 1

The above linked article further considers air
as a homogeneous mixture . It rambles on
with considering it a gaseous solution of
oxygen, carbon dioxide, etc. in nitrogen. ...
Also a solution can never be at the same
time a mixture , as the former can be
separated by mechanical means, while the
latter cannot.

Answer 2

Explanation:

Air is called homogeneous mixture because;

- the constituents of air can be separated by physical method. It means gases can be separated from air .

- Heat and light is not relased during the separation of gases

- It does not have a definite formula it means at different place the amount of a gas is also different.