
chapitre 4
Authored by Jean-Baptiste bodin
Chemistry, Physics
5th Grade
Used 7+ times

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6 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Le dioxyde de carbone a pour formule brute :
CO2
CO3
C2O
CO
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Un volume V = 1 m3 (mètre cube) vaut :
V = 1 x 10-3 L = 0,001 L
V = 1 x 103 L =
1 000 L
V = 1 x 10-6 L = 0,000001 L
V = 1 cm
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Le préfixe milli (ex : mm millimètre) équivaut à :
10-2
10-3
103
4.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
La quantité de matière, noté n, a pour unité :
mol-1
mol
g/mol
mol/L
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Donner le nom de cette molécule N2
Azote
Dioxygène
Diazote
Dioxyde de carbone
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quel gaz est le dioxygène ?
N2
O3
O1
O2
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