solubilité 5ème
Quiz
•
Chemistry
•
7th Grade
•
Practice Problem
•
Hard
Anthony Rodot
Used 19+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Comment varie la solubilité du sel dans l'eau quand la température augmente ?
elle augmente
elle diminue
elle reste constante
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Donne la solubilité du sel dans l'eau à 100 °C
395 g/L
390 g/L
380 g/L
385 g/L
400 g/L
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Donne la solubilité du sel dans l'eau à 60 °C
375 g/L
370 g/L
380 g/L
385 g/L
390 g/L
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcule la masse de sel que l'on peut dissoudre dans 0,5 L d'eau à 20 °C.
180 g
360 g
120 g
480 g
720 g
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcule la masse de sel que l'on peut dissoudre dans 250 mL d'eau à 80 °C.
96 g
90 g
84 g
102 g
67 g
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcule la masse de sel que l'on peut dissoudre dans 120 mL d'eau à 20 °C.
43 g
37 g
54 g
62 g
27 g
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcule le volume d'eau salée saturée à 60 °C dans laquelle on a dissout 750 g de sel
2 L
1,5 L
2,3 L
4,7 L
0,9 L
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