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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
What is the effect on boiling point of water when impurity is added.
Suggest one method for the removal along with the reaction for permanent hardness of water.
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Differentiate between Hard & soft water with suitable examples.
Give balanced equation to show how temporary hardness in water can be removed by boiling.
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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.
Fill in the blank:
Hard and soft water can be distinguished using _____.
A sample of water is given in a trough. State how would you prove experimentally whether the given sample is hard water or soft water.
