1. When the molecules of a substance are kept at the surface of a solid or a liquid, what is the name of the process? a) Absorption b) Adsorption c) Sorption d) Desorption
Adsorption is a mass transfer process that is a phenomenon of sorption of gases or solutes by solid or liquid surfaces. The adsorption on the solid surface is that the molecules or atoms on the solid surface have residual surface energy due to unbalanced forces.
