Question

what is adsorption give one example

Answer 1

Adsorption is the sticking of a particle to a surface. The particle can be a gas, liquid, or solid atom, molecule, or ion, and the surface can be a liquid or solid.

clay, silica gel, colloids, metals etc.

Answer 2

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● Accumulation of molecular species at the surface rather than in the bulk of solid or liquid is termed as adsorption

Ex : Activated charcoal absorbs gases like $\sf\:SO_2\: and \:Cl_2$