Assertion (A): Dissolved substances can be removed from a colloidal solution by diffusion through a

Question

Assertion (A): Dissolved substances can be removed from a colloidal solution by diffusion through a parchment paper. 
Reason (R): Particles in a true solution cannot pass through parchment paper but the colloidal particles can pass through the parchment paper.

Professor PC Thomas Classes · Answer

Assertion is true (dialysis). Reason is completely false; it is the opposite. True solution particles pass through, colloidal particles cannot.