Adsorption is a surface phenomenon. it is the process of accumulation of a substance (adsorbate) on the surface of another substance (assorbent).
Adsorption differ from absorption, as the latter involves the diffusion into the interior of the material.
The capacity of an adsorption depends on the surface area.
therefore, porous substances serve as better adsorption for example - charcoal, alumina, silicagel.
Adsorption is a dynamic and reversible process which decreases with rise in temperature.
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