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Standard VIII
Chemistry
Temporary Hardness and Removal
Which of the ...
Question

Which of the following is a suitable method of removing hardness from water?


A
Boiling
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B
Adding washing soda
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C
Ion- exchange
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D
Adding sodium chloride
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Solution

The correct option is D Adding sodium chloride
The addition of sodium chloride cannot precipitate out dissolved salt responsible for hardness.

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