The protective layer of lyophilic sol is :
Dependant on the size of colloidal particles
Expressed in terms of gold number
Expressed by
None of these
Lyophilic Colloids -
The word 'lyophilic' means liquid-loving. Colloidal sols directly formed by mixing substances like gum, gelatin, starch, rubber, etc. with a suitable liquid are called lyophilic solutions.
So, none of these is correct.
Option 4 is correct.