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Tropfen-Elektrolyse Petunia-Extrakt Drop electrolysis

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Uploaded by on Nov 18, 2008

2 Einwegkanülen verbunden mit einer 9-Volt-Batterie stecken nahe beieinander im Boden einer Filmdose. Ein Stromkreis wird geschlossen, indem man Tropfen von Petunien-Extrakt zwischen die Kanülen bringt. Gasblasen und Farbveränderungen des Indikators zeigen eine Elektrolyse an.
2 hypodermic needles connected with a 9-Volt batterie are fixed close to each other into the bottom of a film canister. An electric circuit is closed by transferring a drop of petunia extract between the needles. Gas bubbles and colour changes indicate an electrolysis

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