1.

The temporary hardness of water due to calcium bicarbonate can be removed by adding

Answer»

`CaCO_(3)`
`CaCI_(2)`
HCI
`CA(OH)_(2)`

SOLUTION :`Ca(HCO_(3))_(2)+Ca(OH)_(2)to underset("(Insoluble)")(2CaCO_(3))+2H_(2)O`


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