Question

What is the size of the solute particles (i) in true solution (ii) a colloidal solution

Answer 1

(i)1nm
(ii)between 1 to 1000nm

Answer 2

1) 1 NM

2) 1-100 NM

A colloid or a colloidal solution is a heterogeneous mixture in which one substance is displaced as very fine particles having size in the range of 1 to 100 nm , in a continuous medium for another substances.

They are heterogeneous mixture .

They can pass through filter paper .

They show Tyndall effect.

Example - Fog , cloud , milk etc.