
Natronlauge - eine alkalische Lösung
Quiz
•
Chemistry
•
8th - 10th Grade
•
Practice Problem
•
Hard
Dr. Lange
Used 14+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Wie heißt die ätzende Flüssigkeit, um die es auf den Seiten 254/255 geht?
Natriumlauge
Natronsäure
Natronlauge
geschmolzenes Natrium
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Wie färbt Natronlauge den Indikator Phenolphthalein?
blau
grün
gelb
pink
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Wie färbt Natronlauge den Universalindikator oder das pH-Papier?
blau
grün
gar nicht
rot
4.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
Wofür kann Natronlauge verwendet werden? (Mehrere Antworten möglich)
Herstellung von Seifen
Reinigungsmittel für fettigen Schmutz
Mundwasser
Papierherstellung
5.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Nenne drei Eigenschaften von Natronlauge. (Mehrere Antworten möglich)
leitet den elektrischen Strom
ist ätzend
hat einen hohen pH-Wert
leuchtet im Dunkeln
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Wie kann man Natronlauge herstellen?
Salzsäure in Wasser geben
Natrium mit Wasser reagieren lassen
Wasserstoff einatmen
Natrium mit Wasserstoff reagieren lassen
7.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Was passiert, wenn man metallisches Natrium in Wasser legt? (mehrere Antworten möglich)
es zischt (Wasserstoff entsteht)
es wird heiß (exotherme Reaktion)
es schneit (Winter)
nichts (keine chemische Reaktion)
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