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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
Give reason for It is difficult to cook in hills compared to plain.
Boiling removes the ................ hardness of water.
Temporary hardness of water can be removed by
What do you understand by
Hard water
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?
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 _______.
Name the process by which temporary hardness is easily removed from the water.
Temporary hardness of water can be removed by
