Tspé.04. Transformation acide-base et pH
Quiz
•
Chemistry, Science
•
12th Grade
•
Medium
Romain Chauviere
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15 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Le pH et la concentration en quantité d'ions oxonium sont liés par les relations :
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si le pH vaut 8,0 alors la concentration en quantité d'ion oxonium vaut
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si la concentration en quantité d'ions oxonium vaut 10-2 mol.L-1, le pH vaut :
2
10-2
-2
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Si la concentration en quantité d'ions oxonium diminue, on peut affirmer que :
le pH augmente
le pH diminue
la solution sera plus acide
la solution sera moins acide
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Selon la théorie de Brönsted, un acide est une espèce chimique susceptible de :
capter un ion hydrogène
céder un ion hydrogène
capter un électron
céder un électron
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Selon la théorie de Brönsted, une base est une espèce chimique susceptible de :
capter un ion hydrogène
céder un ion hydrogène
capter un électron
céder un électron
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Une espèce amphotère (comme l'eau H2O) possède un caractère :
acide
basique
neutre
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