
oxydo-réduction
Authored by Michelle SOLVERY
Chemistry
1st Grade
Used 14+ times

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7 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Le volume molaire d'un gaz dans les conditions normales de température et de pression vaut:
22,4 mol.L-1
22,4 L.mol-1
22,4 g.L-1
22,4 L
2.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
Le volume molaire d'un gaz parfait dépend de :
la nature du gaz
la température
la pression
la quantité de matière
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
La quantité de matière contenue dans un volume V de dioxygène est égale à :
4.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
L'oxydant est une espèce chimique :
qui gagne 1 ou plusieurs électrons
qui perd 1 ou plusieurs électrons
qui gagne 1 ou plusieurs protons
qui perd 1 ou plusieurs protons
5.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
L'oxydation correspond à :
un gain d'électrons
un gain de protons
une perte d'électrons
une perte de protons
6.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
un couple oxydant réducteur est noté:
Red/Ox
pas de notation particulières
Ox/Red
cela dépend
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
On donne les couples redox suivants: I2/I- et SO4 2-/SO2
La réaction entre le I2 et le dioxyde de soufre SO2 est :
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