NDS9 CHIMIE SEMESTRE 2 EXAMEN 2
Quiz
•
Chemistry
•
9th Grade
•
Practice Problem
•
Hard
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10 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Comment est la relation entre les pressions des gaz X, Y et Z?
Y>Z>X
Z>X>Y
Y>X>Z
X>Z>Y
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Combien de cm-Hg est la pression du gaz Z?
61
67
74
77
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Lesquels sont vrais?
1- L’état solide est fluide et a une forme définie.
2-L’état liquide a une forme et une forme indéfinie.
3-L'état plazma est fluide et compressible.
4-L’état gaz est très faible compressible et a une volume définie.
1-2
2-3
2-4
1-3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mettez dans l’ordre décroissant selon leurs quantités.(O:16)
1>2>3
3>2>1
2>3>1
1>3>2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Déterminez la masse molaire atomique de X.(Fe:56 S:32)
39
40
41
42
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si le robinet M sera ouvert, la pression du mélange est de combien d’atm?
2
10/3
7/4
3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Selon les changement des états, lequel est faux?
Liquéfaction: gaz —> liquide
Vaporisation: liquide —> gaz
Solidification: liquide —> solide
Sublimation: gaz —> solide
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