The correct option is (ii) and (iv).
Which of the following changes decrease the vapour pressure of water kept in a sealed vessel? (i) Decreasing the quantity of water (ii) Adding salt to the water (iii) Decreasing the volume of the vessel to one-half (iv) Decreasing the temperature of the water
Which of the following changes decrease the vapour pressure of water kept in a sealed vessel? (i) Decreasing the quantity of water (ii) Adding salt to the water (iii) Decreasing the volume of the vessel to one-half (iv) Decreasing the temperature of the water