Dispersions 2024
Quiz
•
Science
•
University
•
Practice Problem
•
Hard
valerie bonjean
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20 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Retrouver les noms des deux phases permettant de réaliser une dispersion.
Phase ........ + Phase ..........
Dispersée + Interne
Dispersion + Dispersée
Dispersée + Dispersante
Liquide + Solide
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Donner le nom du phénomène qui provoque une inversion de phase.
La floculation
La température
La pesanteur
Les phénomènes électrosatiques
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Retrouver la proposition qui ne correspond pas à un stabilisant.
Raidisseur d'interface
Tensioactif
Gélifiant
Liquéfiant
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Retrouver le nom du tensioactif qui ne correspond pas à un tensioactif ionique.
Tensioactif cationique
Tensioactif anionique
Tensioactif amphotère
Tensioactif catiotère
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Identifier l'additif de compensation qui peut être ajouté pour éviter le phénomène de coalescence.
Epaississant
Tensioactif
Sel ionisé
Gélifiant
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Donner le nom d'un regroupement de tensioactifs.
Micelle hydrophile
Partie hydrophile
Partie hydrophobe
Partie lipophile
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Une molécule hydrophile s'associe avec l'huile.
VRAI
FAUX
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