Question:
(a) Conversion of solid to vapours is called sublimation. Name the term used to denote the conversion of vapours to solid.
(b) Conversion of solid state to liquid state is called fusion; what is meant by latent heat of fusion?
Solution:
(a) Conversion of vapours to solid is known as freezing.
(b) Conversion of solid state to liquid state is called fusion. The melting point of a solid may be defined as the temperature at which a solid starts melting i.e., starts changing into the liquid state.