Q.1. Why do we sweat more in humid day?
Q.2. Does the evaporation of a liquid occur only at fix temperature?
Q.3. Represent freezing and boiling temperature of water in celsius to kelvin.
Q.4. When a crystal of copper sulphate is placed at the bottom of a beaker containing water, the colour of water slowly comes blue.Why?
Q.5. What happens to the heat energy supplied to a solid once it starts melting?
Q.6. Why do wet clothes do not dry easily on a rainy day?