
Grundwissen 8. Klasse 20-30
Quiz
•
Chemistry
•
8th Grade
•
Hard
P Seminar Chemie
Used 4+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bei dem abgebildeten Energieschema handelt es sich um einen ____ .
endothermen Vorgang
exothermen Vorgang
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chemische Reaktionen bei denen Energie in Form von Wärme benötigt wird nennt man…
thermische Reaktion
Wärmereaktion
endotherme Reaktion
exotherme Reaktion
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Typische Eigenschaften von Salzen sind:
eine niedrige Siedetemperatur
sie liegen bei Raumtemperatur gasförmig vor
eine hohe Schmelztempe- ratur
ihre hohe Härte und Sprödigkeit
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Eine verminderte Elektronenzahl macht das Ion ...
positiv
neutral
negativ
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Aus welchen 2 Elementen lässt sich Kochsalz herstellen?
Calcium + Natrium
Calcium + Chlor
Natrium + Chlor
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kalium und Chlor reagieren zu Kaliumchlorid. Welche Aussage trifft zu?
Kalium ist Elektronenakzep- tor
Chlor ist Elektronendonator
Kalium ist Elektronendonator
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Welchen Aggregatzustand hat Chlor bei Raumtemperatur?
flüssig
fest
gasförmig
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