Distinguish between the meaning of the terms adsorption and absorption. Give one example of each.
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Adsorption is a surface phenomenon as the adsorbed matter is concentrated only at the surface and does not penetrate through the surface to the bulk of adsorbent. Absorption is a bulk phenomenon as the absorbed matter is uniformly distributed inside as well as at the surface of the bulk of a substance.
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(1) Adsorption is a surface phenomenon as the adsorbed matter is concentrated only at the surface and does not penetrate through the surface to the bulk of adsorbent. Absorption is a bulk phenomenon as the absorbed matter is uniformly distributed inside as well as at the surface of the bulk of a substance.
(2) Examples of Adsorption are water vapours which are adsorbed by Silica gel.
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