Define the following terms :
(a) Allotropy
(b) Carat
(c) Crystal
(d) Catenation
(a) Define
(i) Henry's law
(ii) Crystallization.
(b) State the different methods of crystallization.
Define the following terms and answer the associated questions :
Crystal : Give an example of a crystalline solid and state how it differs from an amorphous solid.
Define crystallization.
Define fractional crystallization.