Composition de l'air
7th Grade
•8 Qs
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Composition de l'air
Quiz
•
Chemistry
•
7th Grade
•
Practice Problem
•
Medium
Shirley Arriat
Used 33+ times
FREE Resource
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8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 3 pts
Qui a découvert la composition de l'air?
James Watt
Antoine Lavoisier
Ampère
Volta
2.
MULTIPLE CHOICE QUESTION
30 sec • 3 pts
L'air est ...?
un corps pur
un mélange homogène
un mélange hétérogène
un composant pur
3.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
L'air est composé en majorité...
de dioxygène
de dioxyde de carbone
de diazote
d'eau
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La composition approchée en volume de l'air est :
20% de dioxyde de carbone et 80% de dioxygène
20% de dioxygène et 80% de dioxyde de carbone
20% de diazote et 80% de dioxyde de carbone
20% de dioxygène et 80% de diazote
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Il y a ... fois plus de molécules de diazote que de dioxygène.
6.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
L'air est
un gaz pur
un mélange de gaz
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Quel gaz permet de respirer ?
le dioxyde de carbone
le diazote
le dioxygène
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