Temporary hardness may be removed from water | vedclass

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Question

(B) Temporary hardness in water is primarily due to the presence of calcium and magnesium bicarbonates. Adding calcium hydroxide $(Ca(OH)_2)$,also kno

Vedclass · Accepted Answer

$Ca(OH)_2$

Vedclass · Answer

(B) Temporary hardness in water is primarily due to the presence of calcium and magnesium bicarbonates. Adding calcium hydroxide $(Ca(OH)_2)$,also known as lime,precipitates these bicarbonates as insoluble carbonates. The chemical reaction is: $Ca(HCO_3)_2 + Ca(OH)_2 	o 2CaCO_3 \downarrow + 2H_2O$ Thus,option $(B)$ is correct.

Temporary hardness may be removed from water by adding

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