Relative humidity is the ratio of the

1.	Relative humidity is the ratio of the
A.	partial pressure of the vapour to the vapour pressure of the liquid at room temperature.
B.	partial pressure of the vapour to the vapour pressure of the liquid at gas temperature.
C.	actual humidity to saturation humidity.
D.	none of these
Answer» C. actual humidity to saturation humidity.

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Relative humidity is the ratio of the

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