1.

Statement-1:Spector ions are the species that are present in the solution but do not part in the reaction Becauseltbr Statement-2: The phenomena of formation of H_(2)O_(2) by theoxidation of H_(2)O is known as auto-oxdation

Answer»

`PbO_(2)`
`H_(2)O_(2)`
`SrO_(2)`
`BaO_(2)`

Answer :B::C::D


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