wht is saturated vapour pressure

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The water boils when :

1.Saturated vapour pressure of water becomes equal to atmospheric pressure

2. Boiling point of water becomes more than atmospheric pressure

3. Saturated vapour pressure of water is less than atmospheric pressure

4. Vapour pressure of water becomes more than atmospheric pressure

Q. The saturated vapour pressure of water at

100^{0}

C is ________.

Q. The saturated vapour pressure of water at

100^{\circ} C

is :

Q. Select the correct statements.
I. Pressure of saturated vapours is independent of their volume at constant temperature.
II. Saturated vapours do not obey gas laws except Dalton's law.
III. Saturated vapours do not obey Dalton's law of partial pressure.
IV. Unsaturated vapours obey gas laws.

Pressure exerted by saturated water vapour is called aqueous tension. What correction term will you apply to the total pressure to obtain pressure of dry gas?

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