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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
Give two examples of hydrated substances.
Name the compound responsible for permanent hardness of water.
Temporary hardness of water can be removed by
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?
Give reason for the following:
Washing soda can be used to remove both temporary and permanent hardness in 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?
Permanent hardness of water is due to the presence of _______.
Write a note on ion exchange.
Temporary hardness of water can be removed by
