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Hardness of Water and Treatment

Hardness of w...

Question

Hardness of water is due to the presence of:

A

Sodium salt

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B

Potassium salt

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C

Calcium and magnesium salts

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D

Non-metals

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Solution

The correct option is C
Calcium and magnesium salts

Hardness of water is due to the presence of calcium and magnesium salts.

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