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प्रश्न
What are the methods of removing hardness of water?
संक्षेप में उत्तर
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उत्तर
- 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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अध्याय 13: Water - Exercises [पृष्ठ १५४]
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संबंधित प्रश्न
What is the effect on boiling point of water when pressure is increased?
Define the Soft water.
Name the compound responsible for temporary hardness.
Suggest one method for the removal along with the reaction for temporary hardness.
What are the advantages of hard water.
Give balanced equation to show how temporary hardness enters into water.
Give balanced equations to show how permanent hardness in water can be removed by addition of washing soda.
Permanent hardness of water is due to the presence of _______.
Write a note on ion exchange.
What is the reason for the hardness of water?
