1.

The reagent(s) used for softening the temporary hardnes of water is(are):

Answer»

`Ca_(3)(PO_(4))_(2)`
`CA(OH)_(2)`
`Na_(2)CO_(3)`
`Na_(2)CO_(3)`.

Solution :(B,c) Both `Ca(OH)_(2) and Na_(2)CO_(3)` can remove temporary HARDNESS from WATER.


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