In: Chemistry
What is the process called when the molecules of a substance are retained at the surface of a solid or a liquid?
a) Absorption
b) Adsorption
c) Sorption
d) Desorption
Answer : b) Adsorption
Explanation :
Adsorption is surface phenomenon in which the accumulation of molecules or particles in higher concentration on a liquid or solid surface.
The Adsorption has two types
For example, gasses are adsorbed on the surface of charcoal. Chalk particles on a duster.
b) Adsorption