mengsels
Quiz
•
Chemistry
•
7th - 8th Grade
•
Hard
Saba Yaghobi
Used 64+ times
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28 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
de oplossing na filtreren noemen we het
filter
filtraat
residu
zuivere stof
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
deze scheidingsmethoden maken gebruik van het verschil in aanhechtingsvermogen
destilleren
extraheren
adsorberen
chromatografie
filtreren
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
We hebben een mengsel met de volgende kookpunten: propanon (56 °C); cumeen (152 °C); CHP (153 °C);
fenol (182 °C); zwavelzuur (330 °C). We willen zwavelzuur scheiden door middel van destillatie. Hiervoor moet de temperatuur tijdens de destillatie:
tussen de 56 en 152 graden
tussen de 152 en 182 graden
tussen de 182 en 330 graden
tussen 56 en 182 graden
tussen de 56 en 330 graden
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Destilleren berust op het verschil in oplosbaarheid
juist
onjuist
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
extraheren berust op het verschil in oplosbaarheid
juist
onjuist
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
filtreren berust op het verschil in kookpunt
juist
onjuist
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
een reactiemengsel moet troebel zijn om het te scheiden door filtratie
juist
onjuist
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