La séparation des mélanges
Quiz
•
Science
•
7th Grade
•
Practice Problem
•
Medium
François Ndjeumen
Used 8+ times
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50 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
On utilise le fer et le carbone pour obtenir un mélange bien uniforme que l’on nomme acier.
C'est un bon exemple de ce type de mélange:
Hétérogène
Homogène
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
On utilise l’huile et le vinaigre pour faire les vinaigrettes. Il faut bien mélanger à chaque fois avant de l’utiliser puisque ce sont deux liquides:
Miscibles
Non miscibles
Emulsion
Homogènes
Hétérogènes
3.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Ce type de mélange contient toujours une seule phase formée en majeure partie d’eau.
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Technique de séparation de mélanges utilisée pour un mélange de plusieurs solides de différentes grosseurs.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Technique de séparation de mélanges utilisée pour récupérer uniquement le soluté d’une solution.
Distillation
Évaporation
Tamisage
Décantation
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Technique de séparation de mélanges qui permet de séparer deux liquides qui ne se mélangent pas.
Filtration
Décantation
Sédimentation
Centrifugation
Distillation
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Technique de séparation de mélanges qui permet de séparer une solution tout en conservant chacune des parties du mélange de départ.
Filtration
Décantation
Sédimentation
Centrifugation
Distillation
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