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Which of the following changes decrease ...

Which of the following changes decrease the vapour pressure of water kept in a sealed vessel ?

A

Decreasing the quantity of water

B

Adding salt to water

C

Decreasing the volume of the vessel to one half

D

Decreasing the temperature of water

Text Solution

Verified by Experts

The correct Answer is:
B, D
Vapour pressure does not depend upon the quantity of water or size of the vessel. It decreases on adding salt to water or decreasing the temperature of water.
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