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प्रश्न
What do you understand by
Hard water
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उत्तर
Water is said to be hard when it does not readily form lather with soap.
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संबंधित प्रश्न
What is the effect on boiling point of water when pressure is increased?
Give two examples of hydrated substances.
Give two examples for Efflorescent substance.
Name the compound responsible for temporary hardness.
Suggest one method for the removal along with the reaction for temporary hardness.
Explain the permutit method for softening 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?
Fill in the blank:
Hard and soft water can be distinguished using _____.
Permanent hardness of water is due to the presence of _______.
Name the process by which temporary hardness is easily removed from the water.
