From the following which pair is unfair ?

1.	From the following which pair is unfair ?
Answer» `H_(2)O_(2),Na_(2)O_(2)` `BaO_(2),K_(2)O_(2)` `H_(2)O_(2),O_(2)F_(2)` `H_(2)O,H_(2)SO_(4)` Solution :OXIDATION number of OXYGEN in `H_(2)O_(2)` is -1 while oxidation number of xoygen in `O_(2)F_(2)` is (+1).

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