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प्रश्न
Name three water borne diseases.
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उत्तर
(1) Cholera (2) Typhoid (3) Hepatitis
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संबंधित प्रश्न
Give two examples of hydrated substances.
Name the compound responsible for permanent hardness of water.
Suggest one method for the removal along with the reaction for temporary hardness.
Suggest one method for the removal along with the reaction for permanent hardness of water.
What do you understand by
Hard water
Differentiate between Hard & soft water with suitable examples.
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 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.
What are the methods of removing hardness of water?
