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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 reason for It is difficult to cook in hills compared to plain.
Define the Soft 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.
Temporary hardness of water can be removed by
What do you understand by
Soft water
What are the advantages of hard water.
State the disadvantages of using 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?
Fill in the blank:
Hard and soft water can be distinguished using _____.
Explain the meaning of the terms – hard water & soft water.
State the causes of hardness in water.
Temporary hardness of water can be removed by ________ of water.
What are the methods of removing hardness of water?
What is permanent hardness of water? How can it be removed?
What is the reason for the hardness of water?
