Six questions chapitre 2

Quiz
•
Science
•
11th Grade
•
Hard
Stéphane Masse
Used 13+ times
FREE Resource
6 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Parmi les substances suivantes, laquelle pourrait avoir un pH de 5
CH3OH
HBr
NaCl
NH4OH
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quelle substance pourrait rougir le papier tournesol?
NaOH
NaCl
CO2
H2CO3
3.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Trouve la ou les bonnes définitions d'un électrolyte.
Une substance qui produit des ions dans l'eau.
Une substance qui une fois dans l'eau laisse passer l'électricité
Une substance qui laisse passer l'électricité.
Une molécule avec un atome métallique.
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Dans le cadre d'une dilution, quelle équation est juste?
C1 + V1 = C2 + V2
C1/V1 = C2/V2
C1 x V1 = C2 x V2
C1 X V2 = C2 X V1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quel est le symbole de l'ion calcium
Ca
Ca2+
Ca2-
Ca+
Ca-
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