
Scheikunde klas 3
Quiz
•
Chemistry
•
1st - 10th Grade
•
Practice Problem
•
Hard
Used 41+ times
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14 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Welke reactievergelijking is kloppend?
2.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Welke reactievergelijking is de juiste waragave van het reactieschema: magnesium (s) + broom (l) → magnesiumbromide(s)?
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In een buis wordt roest (FeO) samen met koolstof sterk verhit. Bij deze reactie ontstaat ijzer en koolstofdioxide.
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Je hebt 28 moleculen waterstof. Al deze waterstof wordt samen met zuurstof omgezet in water. Hoeveel zuurstofmoleculen zijn hiervoor nodig en hoeveel moleculen water worden er gevormd?
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Fosfor reageert met zuurstof tot fosforpentaoxide. Welke reactievergelijking hoort bij deze verbindingsreactie?
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Welke reactievergelijking is juist?
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
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