1.

Assertion : Surface tension decreases with increase in temperature .Reason : On increasing temperature kinetic energy increases and intermolecular forces decreases .

Answer»

Assertion and REASON aretrue and reason is the CORRECT explaination of assertion.
Assertion and reason are TRUE but reason is not the correct EXPLANATION of assertion.
Assertion is true but REASONIS false.
Both assertion and reason are false.

Solution :Assertion and reason are true and reason is the correct explanation of assertion.


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