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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 for Efflorescent substance.
Suggest one method for the removal along with the reaction for permanent hardness of water.
What are the advantages of soft water.
How will you distinguish between soft water and hard water?
Differentiate between Temporary & permanent hard water with suitable examples.
Give balanced equation to show how temporary hardness enters into water.
Give reason for the following:
Washing soda can be used to remove both temporary and permanent hardness in water.
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.
Temporary hardness of water can be removed by
