1.

The oxides which give H_(2)O_(2) on treatment with dilute acid are

Answer»

`PbO_2`
`MnO_2`
`Na_2O_2`
`BaO_2`

Solution :`Na_2O_2 , BaO_2` are PEROXIDES which on REACTION dil. ACIDS GIVE `H_2O_2`


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