CORRECT-INCORRECT STATEMENT Point out the incorrect statement. (1) Hardness of water depends upo...

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CORRECT-INCORRECT STATEMENT
Point out the incorrect statement.
(1) Hardness of water depends upon its soap consuming power.
(2) Temporary hardness is due to bicarbonates of calcium and magnesium.
(3) Permanent hardness is due to soluble sulphates, chlorides and nitrates of \( \mathrm{Ca} \) and \( \mathrm{Mg} \).
(4) Permanent hardness can be removed by boiling water.
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