Which among the following is NOT TRUE regarding solutions?



A.
a solution is a homogeneous mixture of two or more components



B.
in a liquid solution the solution particles can be ions, atoms or molecules and never settle on standing



C.
the solution particle size is much smaller than colloidal particle.



D.
solution particles can be separated by filtration.



E.
air is a gaseous solution of gases, chiefly oxygen and nitrogen.