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Permanent Hardness

What is perma...

Question

What is permanent hardness of water?

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Solution

The hardness of water containing the chlorides and sulphates of calcium and magnesium is not removed even after boiling. This is permanent hardness of water.

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Similar questions

What causes the temporary and permanent hardness of water?

What is the permanent hardness of water? How can it be removed?

Q. Hardness of water may be temporary or permanent. Permanent hardness is due to the presence of:

Q. Permanent hardness of water is due to

Q. If excess of

C a (O H)_{2}

is added to hard water in clark’s method.

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Permanent Hardness

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