Which of the following phenomenon is not related to the adsorption on the surface of a substance?

Options

A. Occulsion
B. Heterogeneous catalysis
C. Peptization
D. Flocculation

Answer

D

Explanation

Occlusion: Adsorption of a gas on the surface of a metal. Heterogeneous catalysis : It is also the adsorption of a gas or a liquid on the surface of a catalyst. Peptisation : Phenomenon in which a precipitate passes into colloidal form by the adsorption of common ions from the peptizing agent. Flocculation: Reverse of peptisation.