physisorption, multilayers of adsorbed particles are formed.

physisorption

Adsorption is the adhesion[1] of atoms, ions or molecules from a gas, liquid or dissolved solid to a surface.[2] This process creates a film of the adsorbate on the surface of the adsorbent. This process differs from absorption, in which a fluid (the absorbate) is dissolved by or permeates a liquid or solid (the absorbent).[3] While adsorption does often precede absorption, which involves the transfer of the absorbate into the volume of the absorbent material, alternatively, adsorption is distinctly a surface phenomenon, wherein the adsorbate does not penetrate through the material surface and into the bulk of the adsorbent.[4] The term sorption encompasses both adsorption and absorption, and desorption is the reverse of sorption.

'Adsorption' principle is used for which of the following purification method?

The separation of colloidal particles (or purification of sol) from particles of molecular dimensionsis known as(A) photolysis (B) dialysis(C) pyrolysis (D) peptization

Which of the following can result in a transition from physisorption to chemisorption?a.Increase in surface areab.Increase in temperaturec.Decrease in pressured.Decrease in temperature