Which substance is not used for preparing lyophilic sols?

Question

Which substance is not used for preparing lyophilic sols? (A) Starch (B) Gum (C) Gelatin (D) Metal sulphide

Tardigrade Admin · Accepted Answer

Metal sulphides are not used to prepare lyophilic sols as lyophilic sols are prepared by just dissolving substance into water eg, sols of starch, gum and gelatin are prepared by dissolving them in water. Thus, they are lyophilic.

Q. Which substance is not used for preparing lyophilic sols?

Starch

Gum

Gelatin

Metal sulphide

Metal sulphides are not used to prepare lyophilic sols as lyophilic sols are prepared by just dissolving substance into water eg, sols of starch, gum and gelatin are prepared by dissolving them in water. Thus, they are lyophilic.