Chromatography
Chemistry
12th Grade
NGSS covered
Used 294+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
_________________ utilizes a stationary and a mobile phase to separate mixtures based on their affinity for each phase.
filtration
chromatography
distillation
osmosis
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
The mobile phase in paper chromatography is typically a
plasma
solid
gas
liquid
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
The substance in the mixture that has the greatest affinity for the mobile phase will travel
fastest
slowest
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
The substance in the mixture that has the greatest affinity for the stationary phase will travel
fastest
slowest
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
The retention factor is used
to zero the chromatography scale
to identify unknown compounds in a sample
to retain solvent
as a starting tool for chromatography
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A qualitative test will reveal....
identity of a material
amount of a sample
usefulness of a compound
purity of a substance
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which process will NOT yield a positive identity of a substance?
Electrophoresis
TLC
Infrared Spec
GC with MS
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