A cyllnder filled with a movable piston contains liquid water in equilibrium with water vapour at 25^(@)C. Which one of the following operations results in a decrease In the equilibrium vapour pressure ?

A cyllnder filled with a movable piston contains liquid water in equil

1.	A cyllnder filled with a movable piston contains liquid water in equilibrium with water vapour at 25^(@)C. Which one of the following operations results in a decrease In the equilibrium vapour pressure ?
Answer» Moving PISTON downward a short distance REMOVING a small amount of the liquid WATER Dissolving salt in the water Removing a small amount of vapour Answer :C