Question

Dusty air is an example of hetrogeneous mixture.justify

Answer 1

Answer:

Because the air consists if dust particles which are not in a proper ratio, so dusty air is considered a heterogeneous mixture.

Answer 2

Answer: Because the air consists if dust particles which are not in a proper ratio, so dusty air is considered a heterogeneous mixture.

Explanation:Microscopically it is heterogeneous because on the surface of the solid particles of dust there is a change of phase (from gaseous to solid). Macroscopically it is heterogeneous because it is not totally transparent, so that a beam of light through it would have its path revealed by the Tyndall effect.