Question

A variety of water which contains soluble salts of Ca and Mg is known as :

• A. Heavy water.
• B. Soft water.
• C. Hard water.
• D. Conductivity water.

Answer 1

Answer: (C)

Hard water.

Answer 2

Hard water contains soluble salts CaCl2 MgCl2, CaSO4 MgSO4 Ca(HCO3)2Mg(HCO3)2