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Which of the following operations would ...

Which of the following operations would cause removal of temporary hardness of water ?

A

Passing `CO_(2)` through is

B

Passing `SO_(2)` through is

C

adding calculated amount of `Ca(OH)_(2)`

D

adding calculated amount of sodium hypophosphate.

Text Solution

Verified by Experts

The correct Answer is:
C
`Ca(OH)_(2)` removes soluble bicarbonates in the form of unsoluble `CaCO_(3)`.
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