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प्रश्न
Differentiate between Temporary & permanent hard water with suitable examples.
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उत्तर
Temporary hard water : contains bicarbonate of calcium or magnesium. Hardness can be removed by boiling water.
Permanent hard water : contains sulphates or chlorides of calcium and magnesium. Hardness cannot be removed by boiling water.
संबंधित प्रश्न
What is the effect on boiling point of water when impurity is added.
Give two examples for Efflorescent substance.
Define the Soft water.
Name the compound responsible for temporary hardness.
Name the compound responsible for permanent hardness of water.
Suggest one method for the removal along with the reaction for temporary hardness.
Name three water borne diseases.
Boiling removes the ................ hardness of water.
Temporary hardness of water can be removed by
What do you understand by
Hard water
How will you distinguish between soft water and hard water?
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 prove the advantage of detergent over soap.
Give two natural sources of hard 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.
Name the process by which temporary hardness is easily removed from the water.
