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Carbonate hardness can be removed by adding lime to water.

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+1 vote
in Environmental Engineering by (81.4k points)
Carbonate hardness can be removed by adding lime to water.

(a) True

(b) False

This question was posed to me in examination.

Question is taken from Chemical Characteristic of Water topic in chapter Quality of Water of Environmental Engineering

1 Answer

+2 votes
by (693k points)
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Best answer
Right choice is (a) True

To explain I would say: Carbonate hardness is due to the presence of carbonates and bicarbonates of calcium and magnesium in water and can be removed by boiling or by adding lime to it.

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