1.

In lab H_2O_2 is prepared by …..

Answer»

COLD `H_2SO_4 + BaO_2`
HCL+ `BaO_2`
CONC. `H_2SO_4 + Na_2O_2`
`H_2+O_2`

SOLUTION :`H_2SO_4 + BaO_2 BaSO_4 + H_2O_2`


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