Description: When a stopper is removed from an opaque bottle, an increasingly vigorous cloud of white vapor emanates from the bottle. This action results from the catalytic decomposition of 30% hydrogen peroxide by manganese dioxide.

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Source: Fun With Chemistry; A Guidebook of K-12 Activities. vol 1

Year or vol: 1991 page: 285

Keywords: hydrogen peroxide, hydrogen peroxide, catalyst, catalysis