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chapitre 4

Authored by Jean-Baptiste bodin

Chemistry, Physics

5th Grade

Used 7+ times

chapitre 4
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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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