What are the causes of temporary hardness of water.

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Solution

The presence of calcium and magnesium bicarbonates Ca(HCO₃)₂ and Mg(HCO₃)₂ causes temporary hardness in water.
The presence of soluble salts of calcium and magnesium, i.e. sulphates and chlorides of calcium and magnesium cause permanent hardness in water.

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What causes the temporary and permanent hardness of water?

Temporary hardness of water is caused by:

Sulphates and chlorides of magnesium and calcium cause temporary hardness of water.

What are the causes for

(a) Temporary hardness

(b) Permanent hardness

what cause the temporary and permanent hardness water chemistry

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