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प्रश्न
Name the compound responsible for permanent hardness of water.
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उत्तर
Permanent hard water— Water, which has sulphates and chlorides of calcium and magnesium dissolved in it, is called permanent hard water. This hardness cannot be removed by boiling.
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संबंधित प्रश्न
What is the effect on boiling point of water when impurity is added.
Give two examples of hydrated substances.
Define the Hard water.
Boiling removes the ................ hardness of water.
What do you understand by
Hard water
Explain with equation, what is noticed when permanent hard water is treated with Washing soda.
How will you distinguish between soft water and hard water?
Using given sample of temporary and permanent hard water, soft water, ordinary soap, detergent and washing soda how would you distinguish between hard and soft water?
What are the methods of removing hardness of water?
Name the process by which temporary hardness is easily removed from the water.
