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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?
Suggest one method for the removal along with the reaction for permanent hardness of water.
What are the advantages of hard water.
State the disadvantages of using hard water.
Explain the permutit method for softening hard water.
Give balanced equation to show how temporary hardness in water can be removed by boiling.
Give balanced equations to show how permanent hardness in water can be removed by addition of washing soda.
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?
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 is the reason for the hardness of water?
