What is meant by adsorption or absorption?

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AnantShaw · Answer 1 · 2022-05-13T04:17:45+0000

Criteria Criteria	Absorption	Adsorption
Definition	Assimilation of the molecular system throughout the bulk of the solid or liquid medium.	Accumulation of molecular species at the bottom instead of the liquid or solid.
Phenomenon	A bulk phenomenon.	A surface phenomenon.
Heat exchange	Endothermic process	Exothermic process
Temperature	The temperature has no effect.	Influenced by low temperature
Rate of reaction	Occurs at a uniform rate.	Increases steadily and reaches equilibrium.
Concentration	It is constant throughout the medium.	The Concentration at the bottom of adsorbent is different from that in bulk.