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प्रश्न
What do you understand by
Soft water
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उत्तर
Water is said to be soft when the water containing sodium salts easily gives lather with soap.
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संबंधित प्रश्न
Define the Hard water.
Boiling removes the ................ hardness of water.
What do you understand by
Hard water
Explain the permutit method for softening hard water.
Differentiate between Temporary & permanent hard water with suitable examples.
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?
State the causes of hardness in water.
Two samples of water are placed in a beaker individually. State how you will determine experimentally which of the two samples contains permanent hard water.
Name the process by which temporary hardness is easily removed from the water.
Write a note on ion exchange.
