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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
Give two examples of hydrated substances.
Define the Soft water.
Define the Hard water.
Explain the permutit method for softening hard water.
Differentiate between Hard & soft water with suitable examples.
Explain the meaning of the terms – hard water & soft water.
State the causes of hardness in 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.
Temporary hardness of water can be removed by ________ of water.
Name the process by which temporary hardness is easily removed from the water.
