Equilibrer une réaction chimique - Niveau 1
Quiz
•
Chemistry
•
9th - 12th Grade
•
Practice Problem
•
Hard
Laureline Van Overmeir
Used 6+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Quels sont les coefficients stœchiométriques permettant d'équilibrer la réaction suivante :
Al + Br2 → Al2Br6
2, 3, 1
3, 2, 3
1, 2, 6
1, 3, 2
2, 2, 1
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Quels sont les coefficients stœchiométriques permettant d'équilibrer la réaction suivante :
Al + O2 → Al2O3
4, 3, 2
3, 2, 3
2, 1, 1
1, 1, 3
2, 3, 1
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Quels sont les coefficients stœchiométriques permettant d'équilibrer la réaction suivante :
Br2 + Fe → FeBr3
3, 2, 2
3, 2, 3
2, 1, 1
3, 1, 3
2, 3, 1
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Quels sont les coefficients stœchiométriques permettant d'équilibrer la réaction suivante :
Cl2 + NaI → NaCl + I2
1, 2, 2, 1
1, 1, 1, 1
2, 2, 2, 1
1, 2, 2, 2
1, 1, 2, 1
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Quels sont les coefficients stœchiométriques permettant d'équilibrer la réaction suivante :
Cu2O + O2 → CuO
2, 1, 4
2, 1, 2
1, 2, 2
2, 2, 3
1, 2, 4
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Quels sont les coefficients stœchiométriques permettant d'équilibrer la réaction suivante :
F2 + H2O → HF + O2
2, 2, 4, 1
2, 1, 2, 2
1, 2, 2, 1
2, 2, 4, 2
1, 2, 4, 2
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Quels sont les coefficients stœchiométriques permettant d'équilibrer la réaction suivante :
Cr + O2 → Cr2O3
4, 3, 2
1, 2, 2
2, 2, 1
2, 3, 1
4, 2, 2
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