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Which one of the following removes tempo...

Which one of the following removes temporary hardness of water ?

A

Slaked lime

B

Plaster of paris

C

Cuprous

D

Hydrolith.

Text Solution

Verified by Experts

The correct Answer is:
A
Slaked lime removes temporary hardness of water.
`Ca(OH)_(2)+underset("from hard water")(Ca(HCO_(3))_(2))to2CaCO_(3)darr+2H_(2)O`
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