Q.

Statement I : Surface tension decreases with increase of temperature.

Statement II : With increase of temperature kinetic energy of molecules increases and there is decrease in intermolecular forces of attraction.

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a

Statement I and II are correct

b

Statement I is correct and Statement II is incorrect

c

Statement I is incorrect and statement II is correct

d

Both statement I and II are incorrect

answer is A.

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Detailed Solution

With increase in temperature Kinetic energy increases,decreasing  strength of intermolecular forces.

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