Why is crystallisation better than evaporation for the separation of mixtures ?

Why is crystallisation better than simple distillation ?

Why do we separate mixtures?

(a) Why is crystallisation technique better than evaporation ? (b) Write any two physical properties each of metals and non-metals. (c ) Name the technique used to separate butter from curd.

Why is preventio better than cure?

Evaporation is used to separate-

Why is charcoal better fuel than wood?