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I. A saturated vapour is one that is in equilibrium with its...

I. A saturated vapour is one that is in equilibrium with its liquid in a closed space. II. A vapour contains molecules with varying kinetic energy and their distances apart are smaller than those of the molecules of a liquid
III. Relative Humidity = Saturated vapour pressure at dew pointSaturated vapour pressure at air temperature x 100%

IV. The saturated vapour pressure of water increases with temperature

A.

I only

B.

II only

C.

II and III only

D.

III and IV only

E.

II, III and IV only

Correct answer is B

No explanation has been provided for this answer.