Question

List four factors which affect the rate of evaporation.

Describe an activity to show that water vapour is present in air.

Distinguish solids, liquids and gases in a tabular form under the following characteristics-

The following figure illustrates the three states of matter and their interconversion. Identify the processes represented by A and B.

On converting 25°C, 38°C and 66°C to kelvin scale, the correct sequence of temperature will be