MEDIUMMCQ SINGLEJEE Mains ChemistryInorganic ChemistryHydrogenHardness of Water
A water sample is said to contain permanent hardness if water contains
A.sulphates & chlorides of calcium and magnesium✓ Correct
B.carbonates of calcium and magnesium
C.bicarbonates of calcium and magnesium
D.sulphates & chlorides of sodium and potassium.
Explanation
Permanent hardness is due to the sulphates and chloride of calcium and magnesium.
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