
Term Ch1 Ac-Ba start
Authored by Bertrand Huberman
Chemistry
11th Grade
Used 2+ times

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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Une solution aqueuse dont le pH est égal à 3 est ?
Basique
Acide
Neutre
N'existe pas dans l'univers
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Au fait qu'est ce qu'une solution aqueuse?
Une solution qui est insoluble dans l'eau
Une solution qui contient de l'eau
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qu'est ce qu'un ion H30+ ?
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Une solution aqueuse à un pH de 9. Que peut on dire de la concentration en ions H30+ par rapport à OH-
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Une solution aqueuse a un pH de 6. Lorsqu'une solution basique est rajoutée, le pH du mélange obtenu est:
Le pH est neutre
Le pH augmente
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Une goutte de solution est posée sur du papier pH. Comme sur la photo. Dans ce cas la solution est
Acide
Basique
Neutre
Je ne vois pas la photo car je ferme les yeux (mais dans ce cas là comment je fais pour voir cette réponse?)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Le schéma de lewis donné dans l'image comporte
Une charge positive
Trois doublets Liants
Trois doublets non liants
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