Question

Question 7
Choose the correct statement of the following
(a) conversion of solid into vapours without passing through the liquid state is called vapourisation.
(b) conversion of vapours into solid without passing through the liquid state is called deposition.
(c) conversion of vapours into solid without passing through the liquid state is called freezing.
(d) conversion of solid into liquid is called sublimation.

Answer 1

Among the given options:
(a) conversion of solid into vapours without passing through the liquid state is called sublimation and not vaporisation.
(b)conversion of vapours into solids without passing through the liquid state is called deposition.
(c)conversion of vapours into solids without passing through the liquid state is called deposition or desublimation and not freezing.
(d) conversion of solid into liquid is called evaporation and not sublimation.
So only option (b) is correct.