There are two opposing processes that occur in a solution in contact with undissoved solute. These are dissolving ___

a. supersaturation;

b. hydration;

c. crystallization;

d. solvation

c. crystallization

Explanation:

Crystallization is defined as the process in which the atoms or molecules solidifies into a highly structured form known as a crystal.

This is also referred to as slow precipitation of crystals.

It can also be stated as the separation and purification technique of solid-liquid as the mass transfer takes place from a solution to a solid crystalline phase of pure substance.