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In which of the following does adsorptio...

In which of the following does adsorption take place and why?
(i) Silica gel placed in the atmosphere saturated with water
(ii) Anhyd. `CaCl_(2)` place in the atmosphere saturated with water.

Text Solution

Verified by Experts

Silica gel is a good adsorbent and hence, water vapours are adsorbed on its surface. Anhyd `CaCl_(2)`
undergoes absorption because it combines with water molecules to form hydrated calcium chloride
`CaCl_(2) 2H_(2)O`
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