1.

Assertion : When one solvent mixed with other solvent, vapour pressure of one increases an decreases. Reason : When any solute added into solvent, vapour pressure of solvent decreases

Answer»

If both assertion and reason are true and reason is the CORRECT EXPLANATION of assertion.
If both assertion and reason are true but reason is not the correct explanation of assertion.
If assertion is true but reason is false.
If both ASERTION and reason are false.

Answer :B


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