Villa Villekulia – colour chemistry
Sub topic
Duration
45 Minuten
Language
German
Red and yellow make blue, diddle diddle dee, and grey makes green! The reason why red cabbage can be both red and blue has everything to do with chemistry.
Coulors play an important role in chemical analysis. The juice of the red cabbage changes its color dependig on wether you mix alkaline or acidic substances. Therefore the juice becomes a natural indicator.
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