
Quiz sur la chimie analytique
Quiz
•
Chemistry
•
12th Grade
•
Medium
Sophie Mitchel
Used 2+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quelle est l'équation d'état des gaz parfaits ?
PT = nRV
PR = nTV
Pn=RTV
PV=nRT
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dans la loi de Kohlrausch, la concentration s'exprime en:
mmol.L-1
mol.L-1
mol.m-3
mmol.m-3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qu'est-ce que la conductivité d'une solution?
Sa capacité à conduire le courant électrique
Sa capacité à absorber la lumière
La capacité à changer de température
Sa capacité à dissoudre des solides
4.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Quel est l'unité de la conductance?
S.m-3
S.m-1
S.m².mol-1
S
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quelle est la relation entre la conductivité et la conductance?
G = σ . kcell
σ = G + kcell
σ = G . kcell
G = σ / kcell
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quel domaine de longueur d'onde est étudié en spectroscopie infrarouge?
1 mm - 10 mm
400 nm - 750 nm
750 nm - 0,1 mm
0,1 mm - 1 mm
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quel est le rôle de la spectroscopie infrarouge?
Déterminer la formule brute d'un composé
Identifier les groupes caractéristiques
Mesurer l'absorbance d'une solution
Déterminer la formule développée d'un composé
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