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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
Give two examples of hydrated substances.
Define the Hard water.
Name the compound responsible for permanent hardness of water.
Suggest one method for the removal along with the reaction for permanent hardness of water.
Boiling removes the ................ hardness of water.
What do you understand by
Soft water
What are the advantages of hard water.
State the disadvantages of using hard water.
Explain the permutit method for softening hard water.
How will you distinguish between soft water and 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:
Hardness in temporary water can be removed by boiling, but hardness in permanent hard water cannot.
Give reason for the following:
Washing soda can be used to remove both temporary and permanent hardness in water.
Explain the meaning of the terms – hard water & soft water.
What are the methods of removing hardness of water?
Name the process by which temporary hardness is easily removed from the water.
What is the reason for the hardness of water?
