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🧠 Quizzeit

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🧠 Quizzeit!

Welche Mittel sind zur pH-Wert-Erhöhung im Beckenwasser zugelassen?

A) Salzsäure, Schwefelsäure
B) Natriumcarbonat, Natriumhydroxid
C) Kohlenstoffdioxid, Phosphorsäure
D) Natriumhydrogensulfat, Calciumcarbonat

Antwort in 15 Minuten! #Badewissen #Schwimmbad #Freibad #quiz #retoot
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