S.no Absorption Adsorption
1. It is a bulk phenomenon It is a surface phenomenon
2. It is an endothermic process It comes under the category of the exothermic process
3. It has a uniform state of the process It reaches equilibrium while increasing gradually and steadily
4. Absorption is the assimilation of the molecular species at the solid or liquid form Surface accumulation of the molecular species instead of the bulk of liquid or solid
BY Best Interview Question ON 19 Apr 2019