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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
What is the effect on boiling point of water when pressure is increased?
Give two examples of hydrated substances.
Name the compound responsible for temporary hardness.
Name the compound responsible for permanent hardness of water.
What do you understand by
Soft water
Differentiate between Temporary & permanent hard water with suitable examples.
Explain the meaning of the terms – hard water & soft 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.
What are the methods of removing hardness of water?
What is permanent hardness of water? How can it be removed?
