1.

Identify anions of 'A' and 'B':

Answer»

`SO_(3)^(-)` and `(S+SO_(4)^(2-))`
`S_(2)O_(3)^(2-)` and `SO_(3)^(2-)`
`S^(2-)` and `S_(2)O_(3)^(2-)`
`S^(2-)` and `SO_(3)^(2-)`

ANSWER :B


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