(a) - (iii)

Decantation is the process of pouring out the liquid without disturbing the sediment.

(b) - (iv)

iron gets attracted to the magnets since they are polar particles.

(c) - (v)

The process of evaporation for separating a mixture is based on the fact that liquids vaporize easily whereas solids do not.

(d) - (ii)

Hand picking is the method of separating easily identifiable material from a mixture. The components of the heterogeneous mixture can be separately identified from each other.

(e) - (i)

Sieving is used to separate those solid mixture which have components of different sizes.