
Feuer
Authored by Rahel Kunz
Chemistry
7th - 9th Grade
Used 3+ times

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10 questions
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1.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
Welcher "Stoff" braucht es nicht, damit eine Verbrennung stattfinden kann?
Sauerstoff
Aktivierungsenergie
Kohlenstoffdioxid
brennbarer Stoff
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Wie heisst diese Flamme des Bunsenbrenners?
rauschende Flamme
leuchtende Flamme
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Welches ist die allgemeine Reaktionsgleichung einer Verbrennung?
Kohlenstoff + Feuer = Sauerstoff und CO2
Kohlenwasserstoff + Sauerstoff --> Kohlenstoffdioxid + Wasser
brennbarer Stoff + Sauerstoff + Feuer --> CO + H2O
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Welches Gas befindet sich wohl im Glas?
Kohlenstoffdioxid
Stickstoff
Wasserstoff
Sauerstoff
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Weshalb implodiert die Dose?
Das Wasser in der Dose lässt sie zusammenziehen.
Das Wasser in der Schale saugt die Luft aus der Dose.
Der Wasserdampf in der Dose kondensiert. Es entsteht ein Unterdruck.
Die kühlere Umgebungsluft drückt die Dose zusammen.
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Bunsenbrenner in Betrieb nehmen: Wann entzündest du das Streichholz.
Nachdem ich die Luftzufuhr geschlossen habe.
Nachdem ich den Gashahn öffne.
Bevor ich den Gashahn öffne.
Ganz am Anfang.
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Welcher Bestandteil einer Kerze brennt?
das flüssige Wachs
der Docht
der Docht und das Wachs zusammen
das gasförmige Wachs
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