A) Sodium and bicarbonate
B) Magnesium and chloride
C) Potassium and sulphate
D) Ammonium and chloride
Correct Answer: B
Solution :
Temporary hardness is due to the presence of bicarbonates of calcium and magnesium and permanent hardness is due to the sulphates or chlorides of both of calcium and magnesium.You need to login to perform this action.
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