1.

Which is not a redox reaction ?

Answer»

`BaO_2 + H_2SO_4 rarrBaSO_4 + H_2O_2`
`2BaO + O_2 rarr2BaO_2`
`4KCIO_3 rarr4KCIO_2 +2O_2`
`SO_2 +2H_2S RARR 2H_2O +3S`

ANSWER :A


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