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प्रश्न
What do you understand by
Hard water
एका वाक्यात उत्तर
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उत्तर
Water is said to be hard when it does not readily form lather with soap.
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Removal of Hardness of Water
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संबंधित प्रश्न
What is the effect on boiling point of water when pressure is increased?
What do you observe when Washing soda is exposed to air ?
Name the compound responsible for temporary hardness.
What are the advantages of soft water.
State the disadvantages of using hard water.
How will you distinguish between soft water and hard water?
A sample of water is given in a trough. State how would you prove experimentally whether the given sample is hard water or soft water.
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?
