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प्रश्न
Give reason for the following:
Washing soda can be used to remove both temporary and permanent hardness in water.
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उत्तर
Washing soda Na2CO3 exchanges ions [SO4]– and Cl– and do not make water hard.
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संबंधित प्रश्न
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.
Temporary hardness of water can be removed by
State the disadvantages of using hard water.
Explain the permutit method for softening hard water.
Differentiate between Temporary & permanent hard water with suitable examples.
Give balanced equations to show how permanent hardness in water can be removed by addition of washing soda.
Explain the meaning of the terms – hard water & soft water.
Name the process by which temporary hardness is easily removed from the water.
What is the reason for the hardness of water?
