
Equilibrer une équation
Quiz
•
Chemistry
•
4th Grade
•
Practice Problem
•
Medium
+1
Standards-aligned
Sandrine Monzain
Used 34+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Une réaction chimique est
Tags
NGSS.HS-PS1-7
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
D'après la loi de Lavoisier qui dit "Rien ne se perd, rien ne se crée tout se transforme" :
Tags
NGSS.MS-PS1-5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Observer l'équation bilan de la réaction chimique suivante et répondre:
Tags
NGSS.MS-PS1-1
NGSS.MS-PS1-2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dans cette réaction:
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dans une équation bilan on écrit
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
L'équation bilan suivante est elle équilibrée?
CH4 + O2 → H2O + CO2
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Observer l'équation suivante (mal écrite par un élève):
CH4 + O2 → H2O + CO2
Avant la transformation il y a au total:
1 atome de carbone
2 atomes d’oxygène
4 atomes d’hydrogène
Après la transformation il y a au total:
1 atome de carbone
3 atomes d’oxygène
2 atomes d’hydrogène
Vrai
Faux
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