
Quizz pH term n°1
Authored by véronique borgne
Chemistry
10th Grade
Used 5+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Le pH se calcule à l’aide de la formule :
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Une solution a pour concentration [H3O+] = 0,001 mol/L.
Son pH est égal à :
3
4
5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trois solutions A, B et C ont respectivement une concentration [H3O+] (en mol/L) égale à 1 × 10–5 ; 0,005 et 0,0003.
La solution la plus acide est la solution :
A
B
C
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Avec pH = 6, la concentration [H3O+] est égale à :
0,0006 mol/L
0,00001 mol/L
Answer explanation
1 x 10-6 = 0, 000 001
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Une solution dont le pH est égal à 7 est :
acide
neutre
basique
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Une solution neutre a une concentration en ions [H3O+] égale à :
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Les solutions acides sont à manipuler avec :
précaution
des gants
précipitation
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