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Permanent hardness of water is caused by the presence of

/ Biochemical Engineering, Water Treatment / By
Question: Permanent hardness of water is caused by the presence of
[A].

bicarbonates of calcium and magnesium

[B].

carbonates of sodium and potassium

[C].

chlorides and sulfates of calcium and magnesium

[D].

phosphates of sodium and potassium

Answer: Option C

Explanation:

No answer description available for this question.