Catalytic union of H_2 and O_2to get H_2O_2is found in

1.	Catalytic union of H_2 and O_2to get H_2O_2is found in
Answer» Electrolysis of 50% `H_2SO_4` Electrolysis of aqueous solution of `(NH_4)_2SO_4 + H_2SO_4` Treating `BaO_2`with cold and DILUTE `H_2SO_4` AUTO OXIDATION method Answer :D

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