Permanent hardness of water is caused by the presence of

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.