1.

Which of the following pair of anions are identified by conc. H_(2)SO_(4).

Answer»

`NO_(3)^(-), CO_(3)^(2-)`<BR>`CL^(-), NO_(3)^(-)`
`Br^(-), CO_(3)^(2-)`
`CO_(3)^(2-), CH_(3)CO O^(-)`

Answer :B


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