H2O2 is manufactured these days

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By the action of H2O2 on BaO2

By the action of H2SO4 on Na2O2

By electrolysis of 50% H2SO4

By burning hydrogen in excess of oxygen

answer is C.

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Detailed Solution

Electrolysis of 50% sulphuric acid gives peroxydisulphuric acid H2S2O8 which on distillation yields 30% solution of hydrogen peroxide.

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