48.Which of the following salts has no water of crystallization? [A] Table salt [B] Blue Vitriol [C] Green Vitriol [D] Baking Soda Show Answer
Correct option is C) Water of crystallisation is the number of water molecules that combine chemically in defenite molecular proportion,with the concerned salt in its crystalline state. So,the answer is baking soda which has formula.NaHCO 3