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प्रश्न
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.
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उत्तर
On adding ordinary soap in the sample and shaking if this water gives lather easily it is soft water otherwise it is hard water.
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संबंधित प्रश्न
Temporary hardness of water can be removed by
What do you understand by
Soft water
Explain the permutit method for softening 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?
Differentiate between Hard & soft water with suitable examples.
Give balanced equation to show how temporary hardness enters into water.
Fill in the blank:
Hard and soft water can be distinguished using _____.
Explain the meaning of the terms – hard water & soft water.
Permanent hardness of water is due to the presence of _______.
