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Permanent hardness can be removed by boi...

Permanent hardness can be removed by boiling water with washing soda.

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Permanent hardness can be removed by adding

Assertion : Permanent hardness of water can be removed by using washing soda. Reason : Washing soda reacts with soluble calcium and magnesium chlorides and sulphates in hard water to form insoluble carbonates.

Assertion (A) Permanent hardness of water is removed by treatment with washing soda. Reson (R) Washing soda reacts with soluble magnesium and calcium sulphate to from insolube carbonates.

Give balanced equations to show how - Permanent hardness in water can be removed by addition of washing soda

Permanent hardness of water cannot be removed by boiling. Why?

Assertion : Temporary hardness can be removed by boiling. Reason : On boiling the soluble bicarbonates change to carbonates which being insoluble, get precipitated.

Hardness of water cannot be removed by

Hardness of water cannot be removed by

Temparary hardness may be removed from water adding.

Temporary hardness may be removed from water adding.