Boiling process is a

On converting $25\,^{\circ}C$,$38\,^{\circ}C$,and $66\,^{\circ}C$ to the Kelvin scale,the correct sequence of temperatures will be:

State whether the following statement is true or false:
The diffusion in liquids depends upon the thickness (viscosity) as well as on the chemical nature of the diffusing liquids.

Name the state of matter in which:
$(a)$ Layers of particles can slip and slide over one another easily.
$(b)$ Particles just move around randomly because of very weak force of attraction.

What happens to the heat energy that is supplied to a solid once it starts melting?

Give reasons:
$(a)$ Steam produces more severe burns than boiling water.
$(b)$ We are able to sip hot tea faster from a saucer rather than a cup.
$(c)$ Water kept in an earthen pot becomes cool during summer.