Compare solid, liquid, and gases with respect to:
(a) arrangement of particles
(b) inter-molecular space
(c) density
Fill in the blanks:
(a) Evaporation takes place at___ temperature.
(b) ___process is just the reverse of melting.
(c) ___ is a process that involves the direct conversion of a solid into its vapour on heating.
(d) The temperature at which a solid convert into a liquid is called its___
(e) The smallest unit of matter that exists freely ni nature is called___
(f) Molecules of a substance are always in a state of___ and so they possess ___
(g) Inter-molecular space is maximum in ___less in ___and the least in ___
(h) Inter-molecular force of attraction is maximum in___less in ___and the least in ___