What are the methods of removing hardness of water? – InterviewSolution

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1.

What are the methods of removing hardness of water?

Answer»

1. Boiling – Temporary hardness is easily removed from water by boiling.

2. Adding washing soda – Washing soda is used to remove permanent hardness of water.

3. Ion-exchange – This converts hard water into soft water.

4. Distillation – Temporary and permanent hardness both can be removed by the method of distillation.

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