A solid acts as an adsorbent because it has | vedclass

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(C) solid acts as an adsorbent because of the presence of unsaturated valencies on its surface.These residual forces or unsaturated valencies attract

Vedclass · Accepted Answer

$C$. Unsaturated valencies

Vedclass · Answer

(C) solid acts as an adsorbent because of the presence of unsaturated valencies on its surface.These residual forces or unsaturated valencies attract and retain the molecules of a gas or liquid on the surface of the solid.Activated charcoal is a common example of a good adsorbent due to its large surface area and high number of available unsaturated valencies.

$A$ solid acts as an adsorbent because it has

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