MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Inorganic ChemistryHydrogenHardness of Water

The temporary hardness of water due to calcium bicarbonate can be removed by adding

A.CaCO3

B.CaCl2

C.HCl

D.Ca(OH)2✓ Correct

Explanation

On the addition of calcium hydroxide (slaked lime), the temporary hardness of water caused by calcium bicarbonate can easily be removed. This is called as Clarke‟s method.

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