Normally, solubility of a crystalline solid increase with temperature. Does it increase uniformly in all cases ? Name a substance whose solubility :
(a) increase rapidly withe temperature.
(b) increase gradually with temperature.
(c) increase slightly with temperature.
(d) initially increases then decreases with rise in temperature.
(a) Potassium nitrate
(b) Potassium chloride
(c) Sodium chloride
(d) Calcium sulphate