State whether the following statement is true or false:
The Celsius scale is an absolute temperature scale.

Why do we see water droplets on the outer surface of a glass containing ice-cold water?

$(a)$ 'Evaporation causes cooling'. Comment on this statement.
$(b)$ Explain how water kept in an earthen pot becomes cool during summer?

$(i)$ Name the $SI$ unit of measuring temperature.
$(ii)$ The boiling point of water is $100^{\circ} C$ under normal atmospheric pressure. Convert this temperature into $SI$ units.

'Osmosis is a special kind of diffusion'. Comment.

Fill in the blanks :
$(a)$ Evaporation of a liquid at room temperature leads to a ........... effect.
$(b)$ At room temperature,the forces of attraction between the particles of solid substances are ........... than those which exist in the gaseous state.
$(c)$ The arrangement of particles is less ordered in the ........... state. However,there is no order in the ........... state.
$(d)$ ........... is the change of solid state directly to vapour state without going through the ........... state.
$(e)$ The phenomenon of change of a liquid into the gaseous state at any temperature below its boiling point is called ...........