
nombre d'oxydation

Quiz
•
Physics
•
University
•
Medium
céline serent
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Le nombre d'oxydation de l'élément hydrogène H vaut la plupart du temps:
0
+1
+2
-1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Le nombre d'oxydation de l'élément oxygène O vaut généralement:
0
-1
-2
+1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dans la molécule de diazote N2 le nombre d'oxydation de l'élément azote N vaut:
0
-1
-2
+1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Le nombre d'oxydation de l'élément fluor dans l'ion fluorure F- vaut:
0
-1
-2
+1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Le nombre d'oxydation de l'élément plomb Pb dans l'oxyde de plomb PbO2 vaut:
0
+2
-2
+4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Le nombre d'oxydation de l'élément azote N dans l'ion nitrate NO3- vaut:
+1
-2
+3
+5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Le nombre d'oxydation de l'élément cuivre dans l'hydroxyde de cuivre Cu(OH)2 vaut:
0
-1
+3
+2
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