Dureté de l'eau
Quiz
•
Chemistry
•
5th Grade
•
Practice Problem
•
Medium
Chrystèle Relier
Used 2+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La dureté de l'eau s'appelle :
le TH
le TA
le TAC
le TRUC
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La dureté de l'eau est liée à quels ions ?
Magnésium et Manganèse
Calcium et Potassium
Calcium et Magnésium
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La formule chimique des ions calcium est :
Ca2+
ca2+
Ca
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La formule des ions magnésium est :
Mg2+
Mn2+
mg2+
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Une eau dure est une eau :
douce
calcaire
normale
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Une eau douce contient :
Peu d'ions calcium et magnésium
beaucoup d'ions calcium et magnésium
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Une eau dure a un TH :
élevé
faible
égal à 7
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