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Question

Temporary hardness of water is due to the presence of

A
Calcium bicarbonate.
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B
Sodium carbonate.
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C
Potassium carbonate.
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D
Magnesium hydride.
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Solution

The correct option is A Calcium bicarbonate.
The temporary hardness of water Is due to the presence of bicarbonates of calcium and magnesium dissolved in It.

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