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Q.

Temporary hardness of water is due to the presence of

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a

Sodium carbonate

b

Calcium bicarbonate

c

Potassium carbonate

d

Magnesium hydroxide

answer is A.

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Detailed Solution

Temporary hardness is a type of water hardness caused by the presence of dissolved bicarbonate minerals (calcium bicarbonate and magnesium bicarbonate). The presence of the metal cations makes the water hard.
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