Which of the following colloidal sols are prepared by shaking the lyophilic material with dispersion medium?
(i) Gelatin , (ii) Gum
(iii) Starch , (iv) Egg albumin

Options

A. `(i),(iv)`
B. `(ii),(iii),(iv)`
C. `(i),(ii),(iii),(iv)`
D. `(i),(ii),(iii)`

Answer

C

Explanation

All these are examples of lyophilic sols. They are quite stable and can be easily prepared by shaking the lyophilic material with dispersion medium.