Temporary hardness of water is caused by the presence of

1.	Temporary hardness of water is caused by the presence of
A.	chlorides of calcium and magnesium
B.	sulfates of calcium and magnesium
C.	bicarbonates of calcium and magnesium
D.	carbonates of sodium and potassium
Answer» D. carbonates of sodium and potassium

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Temporary hardness of water is caused by the presence of

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