1.

Which of the following is a correct statement:-

Answer»

Surface tension of a liquid decreases with increase in temperature
Vapour pressure of a liquid decreases with increase in temperature
Viscosity of a liquid decreases with decrease in temperature
The boiling POINT of a liquid is independent of the altitude of the place

Solution :As the temperature INCREASES the KINETIC ENERGY of the MOLECULES increases and hence intermolecular attraction decreases, which in turn decreases the surface tension.


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