
PH et ions
Chemistry
2nd Grade
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15 questions
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1.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Quels sont les ions présents dans l'eau ?
H3O+
H2O
OH-
O+
2.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Quels sont les ions responsables du PH ?
H3O+
Na+
OH-
Cl-
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Dans une solution acide, il y a...
Plus de H3O+ que de OH-
Plus de OH- que de H3O+
Autant de H3O+ que de OH-
Pratiquement pas de H2O
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Dans une solution basique, il y a...
Nombre de H3O+ > Nombre de OH-
Nombre de H3O+ < Nombre de OH-
Nombre de H3O+ = Nombre de OH-
Nombre de H2O = 0
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Cette équation chimique est...
Totale
Partielle
Impossible
Sans inconnue
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Une base forte a un PH...
entre 10 et 14
autour de 8
plus petit que 7
égal à 14
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Un acide faible a un PH...
entre 0 et 2
autour de 5
plus grand que 7
égal à 0
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