1.

In group V ,(NH_(4))_(2)CO_(3) is addedto precipitate out the carbonate Na_(2)CO_(3) is notaddedbecause

Answer»

`CaCO_(3)` is SOLUBLE in `NaCO_(3)`
`MgCO_(3)` will be PPT outin group V
`Na_(2)CO_(3)` increases the solublityof group Vcarbonates
All

Answer :d


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