Question

what is suspension and colloidal solution

Answer 1

here is your answer

A suspension is a heterogeneous mixture in which solute-like particles settle out of a solvent-like phase sometime after their introduction.

A colloidal solution, occasionally identified as a colloidal suspension, is a mixture in which the substances are regularly suspended in a fluid.

hope this helps you mate

Answer 2

suspensions are solutions in which particle size is bigger than 1000A°its particles the visible with naked eye
Colloidal solutions have particle size between 10A°to 1000A°.its particles are not visible with naked eye but visible under ultramicroscope