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प्रश्न
Permanent hardness of water is due to the presence of _______.
विकल्प
sulphates and chlorides
dust particles
carbonates and bicarbonates
other soluble particles
MCQ
रिक्त स्थान भरें
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उत्तर
Permanent hardness of water is due to the presence of sulphates and chlorides.
shaalaa.com
Removal of Hardness of Water
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संबंधित प्रश्न
Define the Hard water.
Boiling removes the ................ hardness of water.
What do you understand by
Soft water
Explain the permutit method for softening hard water.
Differentiate between Hard & soft water with suitable examples.
Fill in the blank:
Hard and soft water can be distinguished using _____.
Explain the meaning of the terms – hard water & soft water.
What are the methods of removing hardness of water?
What is the reason for the hardness of water?
Temporary hardness of water can be removed by
