1.

Fe^(3+) is reduced of Fe^(2+) by using

Answer»

`H_(2)O_(2)` is PRESENCE of NAOH
`Na_(2)O_(2)` in water
`H_(2)O_(2)` in presence of `H_(2)SO_(4)`
`Na_(2)O_(2)` in presence of `H_(2)SO_(4)`

Answer :A::B


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