Question

25.
5
a) Account for the following:
i. The temperature of water remains constant during boiling.
Water kept in an earthen pot becomes cool during summer
When sugar crystals dissolve in water, the level of water does
not rise appreciably.​

Answer 1

Explanation:

The water kept in an earthen pot remain cool even in summer because earthen pot has many small holes. Water seeps out through them and evaporates from the surface of the pot. The energy needed for evaporation is taken from the water kept in the earthen pot. As a result, water kept in earthen pot become cool.