A) Sodium and bicarbonate
B) Magnesium and sulphate
C) Potassium and sulphate
D) Ammonium and chloride
E) None of the above
Correct Answer: B
Solution :
The hardness of water is due to the presence of bicarbonates, chlorides and sulphates of calcium and magnesium in it.You need to login to perform this action.
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