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प्रश्न
What do you understand by
Soft water
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उत्तर
Water is said to be soft when the water containing sodium salts easily gives lather with soap.
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संबंधित प्रश्न
Suggest one method for the removal along with the reaction for permanent hardness of water.
Name three water borne diseases.
Boiling removes the ................ hardness of water.
What do you understand by
Hard water
Give balanced equations to show how permanent hardness in water can be removed by addition of washing soda.
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?
Using given sample of temporary and permanent hard water, soft water, ordinary soap, detergent and washing soda how would you prove the advantage of detergent over soap.
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.
Temporary hardness of water can be removed by
