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The curves shown below were obtained when two equal volumes of hydrogen peroxide of same concentration were allowed to decompose separately in one case,

The curves shown below were obtained when two equal volumes of hydrogen peroxide of same concentration were allowed to decompose separately in one case, manganese (IV) oxide was added to hydrogen peroxide. Volume of gas Time Which curve represents the decomposition of hydrogen peroxide with manganese (IV) oxide? Explain (2 mks)

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