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प्रश्न
What are the methods of removing hardness of water?
संक्षेप में उत्तर
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 Hard water.
Suggest one method for the removal along with the reaction for temporary hardness.
Temporary hardness of water can be removed by
Differentiate between Hard & soft water with suitable examples.
Differentiate between Temporary & permanent hard water with suitable examples.
State the causes of hardness in water.
Give two natural sources of hard water.
Name the process by which temporary hardness is easily removed from the water.
Write a note on ion exchange.
