Experiment: Red Gabbage pH indicator

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Johdanto

Punakaalimehua ja erilaisia aineita, esim.

  • NaOH
  • Etanoli
  • Konetiskiaine, käsitiskiaine
  • Limppa, sihivesi
  • Karboksyylihappoja: muurahaishappo, etikka jne
  • Käsidesi
  • Vesi
  • Maito? huono, koska valkoista
  • PH punakaali1.jpg
  • PH punakaali2.jpg
  • PH punakaali3.jpg
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