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In which of the following does adsorption take place and why ? (i) Silica gets placed in the atmosphere saturated with water. (ii) Anhydrous CaCl 2placed in the atmosphere saturated with water

In which of the following does adsorption take place and why ?
(i) Silica gets placed in the atmosphere saturated with water. (ii) Anhydrous CaCl 2placed in the atmosphere saturated with water

Grade:Upto college level

1 Answers

Sunil Kumar FP
askIITians Faculty 183 Points
7 years ago
first is the case of adsorption because it is asurfase phenomena
second is the case of absorption baceuse it is a bulk phenomena
in adsorption the concentration on the surface is more at the top and less in the bulk
in absorption the concentration is more at the bulk than at the surface

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