1.

Assertion (A): A given surface of an adsorbent does not show any preference for a particular gas as van der Waal's forces are universal. Reason (R) : The air becomes dry in the presence of silica gel because the water molecules get adsorbed on the surface of the gel.

Answer»

Both ASSERTION (A) and REASON (R) are correct statements, and Reason (R) is the correct explanation of the Assertion (A).
Both Assertion (A) and Reason (R) are correct statements, but Reason (R) is not the correct explanation of the Assertion (A)
Assertion (A) is correct, but Reason (R) is incorrect STATEMENT.
Assertion (A) is incorrect, but Reason (R) is correct statement

Answer :B


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