Techniques de séparation des mélanges
Quiz
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Science
•
7th - 9th Grade
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Practice Problem
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Medium
Stéphanie Alain
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17 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Quelle technique de séparation des mélanges me permet de récupérer la substance qui s'évapore?
Vaporisation
Distillation
Sédimentation
Filtration
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Observe bien l'image. Quelle est cette technique de séparation des mélanges?
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Le tamisage consiste à faire passer un mélange à travers un tamis.
vrai
faux
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Quelle méthode nécessite un papier-filtre pour séparer les mélanges?
Évaporation
Filtration
Décantation
Tamisage
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Cette technique consiste à faire chauffer un mélange jusqu'à ébullition afin de récupérer les gaz.
Centrifugation
Distillation
Tamisage
Décantation
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Un mélange est placé dans un appareil qui tourne rapidement dans le but de séparer les constituants.
Distillation
Décantation
Évaporation
Centrifugation
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Après m'être baigné dans la mer, je vois du sel sur ma peau asséchée. L'eau s'est évaporée. De quelle technique parle-t-on ici?
Centrifugation
Distillation
Évaporation
Tamisage
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