A small container of perfume is opened in a classroom. Soon every student in the room smells the perfume. Explain this in terms of molecules.

a  solution  is always transparent, light passes through with no scattering from solute particles which are molecule in size. the  solution  is homogeneous and does not settle out. a colloid is intermediate between asolution  and a  suspension. while asuspension  will separate out a colloid will not.

the answer your looking for is c).