Decomposition of hydrogen peroxide with Manganese dioxide

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In this video you can see the decomposing properties of manganese dioxide
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INITIAL APPEARANCE: What’s in the beaker looks like ashes

OBSERVATIONS: When a liquid is poured in, it fizzles and creates bubbles.

TYPE OF CHANGE: Chemicals

CLUE: Formation of a gas

vriskamoder
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Svp bonjour est-ce que ça marche avec tout les manganèse ou une spéciale

mohammedtenafer