Concentration
Quiz
•
Science
•
3rd Grade
•
Practice Problem
•
Hard
Elisabeth Baril
Used 82+ times
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12 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Complète la phrase suivante: «La concentration est le rapport entre (1) et la quantité totale de (2).
(1) soluté (2) solvant
(1) soluté (2) solution
(1) solvant (2) solution
(1) solvant (2) soluté
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Complète la phrase suivante: «Si la quantité de solvant augmente et que la quantité de soluté demeure la même, alors le volume de la solution totale (1) et la concentration du soluté. (2) »
(1) diminuera (2) diminuera
(1) diminuera (2) augmentera
(1) augmentera (2) diminuera
(1) augmentera (2) augmentera
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Quelle est la concentration de sucres en %(m/V) dans ce jus?
42 %(m/V)
17 %(m/V)
50 %(m/V)
9,33 %(m/V)
11,1 %(m/V)
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Quelle est la concentration de sodium en g/L dans cette boisson?
0,04 g/L
0,4 g/L
0,018 g/L
0,250 g/L
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Quel est le pourcentage d’alcool (%V/V) de ce vin s’il y a 97,5 mL d’alcool dans cette bouteille?
0,13 % (V/V)
1,3 % (V/V)
7,7 %(V/V)
13 %(V/V)
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
On retrouve 60 mg de sel de table (NaCl) dans un volume de 250 mL d'eau. Quelle est cette concentration en g/L?
0,24 g/L
0,024 g/L
240 g/L
24 g/L
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Quelle masse de cortisone retrouve-t-on dans ce tube de crème?
15 g
0,033 g
3,33 g
0,075 g
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