Evaporation of a liquid takes place at

Sameer once went to his granny's home with his family and he saw his granny serving water from an earthen pot and was surprised to see that and asked granny why she has kept that earthen pot for storing water. His granny then answered him that it keeps the water cool during summers,he then smiled and thanked her.
$(a)$ According to you,how does water kept in an earthen pot become cool during summers?
$(b)$ What kind of qualities are shown by Sameer?

Define the latent heat of fusion. Why does the temperature remain constant during the melting of ice?

How does the water kept in an earthen pot (matka) become cool during summer?

How does the melting point of a substance indicate the strength of its intermolecular forces of attraction?

Seema visited a Natural Gas Compressing Unit and found that the gas can be liquefied under specific conditions of temperature and pressure. While sharing her experience with friends,she got confused. Help her to identify the correct set of conditions.