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Question
What are the methods of removing hardness of water?
Answer in Brief
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Solution
- Boiling – Temporary hardness is easily removed from water by boiling.
- Adding washing soda – Washing soda is used to remove the permanent hardness of the water.
- Ion-exchange – This converts hard water into soft water.
- Distillation – Temporary and permanent hardness both can be removed by the method of distillation.
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Removal of Hardness of Water
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Chapter 13: Water - Exercises [Page 154]
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