Physics, asked by Markus6223, 1 year ago

how will you prepare H2O2 in the laboratory

Answers

Answered by kunal6827

8

From barium peroxide-Laboratory method of preparation. Hydrogen peroxide is prepared from barium peroxide by the following methods: (a) By the action of dilute sulphuric acid. Apaste of hydrated barium peroxide (BaO2.8H2O) is prepared in ice – cold water and then added slowly to an ice-cold solution of 20% H2SO4.

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