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प्रश्न
Define the Hard water.
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उत्तर
Water obtained from various sources does not easily form a lather with soap, rather it forms a white sticky scum or a precipitate. This water is called hard water.
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संबंधित प्रश्न
What is the effect on boiling point of water when pressure is increased?
Name the compound responsible for temporary hardness.
Boiling removes the ................ hardness of water.
What are the advantages of hard water.
Give reason for the following:
Hardness in temporary water can be removed by boiling, but hardness in permanent hard water cannot.
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?
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.
Temporary hardness of water can be removed by ________ of water.
What is permanent hardness of water? How can it be removed?
Name the process by which temporary hardness is easily removed from the water.
