1.

Assertion:When dry air is passed continuously through an aqueous solution of non-volatile solute, vapour pressure of solution decreases gradually. Reason:Some air absorbed in the solution.

Answer»

Both Assertion and Reason are true and Reason is the correct EXPLANATION of Assertion
Both Assertion and Reason are true and Reason is not the correct explanation of Assertion
Assertion is true but Reason is false
Both Assertion and Reason are false

ANSWER :B


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