1.

Acififledsolutionof chromicacidontreatment withH_(2) O_(2)givebluecolourwhichis due to "______"

Answer»

`CrO_(3)+ H_(2) O + O_(2)`
`H_(2)Cr_(2) O_(7)+ H_(2) O+ CO_(2)`
`Cr_(2)O_(3) + H_(2) O +O2`
`CrO_(5) + H_(2) O`

Answer :D


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