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Hardness of Water and Treatment

Calcium and M...

Question

Calcium and Magnesium salts like _______ cause hardness of water

A

bicarbonates

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B

chlorides

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C

sulphates

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D

phosphates

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Solution

The correct options are
A sulphates
C bicarbonates
D chlorides
Calcium and Magnesium salts like sulphates, chlorides and bicarbonates cause hardness of water.

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