
Thin Layer Chromatography Concepts
Interactive Video
•
Chemistry, Science
•
9th - 12th Grade
•
Hard

Lucas Foster
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary focus of the video tutorial?
Distillation
Filtration
Chromatography
Evaporation
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the most common solid polar substance used in thin layer chromatography?
Silica gel
Activated charcoal
Alumina
Calcium carbonate
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of the mobile phase in chromatography?
To change the color of the substances
To transport substances through the stationary phase
To dissolve the stationary phase
To remain stationary
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the stationary phase in thin layer chromatography?
The container
The silica gel
The capillary tube
The solvent
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of using a less polar solvent in thin layer chromatography?
To dissolve the silica gel
To make the process faster
To ensure the solvent evaporates quickly
To allow separation based on polarity
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the more polar components of a mixture in thin layer chromatography?
They are more attracted to the stationary phase
They remain at the origin
They travel further with the solvent
They evaporate quickly
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why was chromatography originally named?
Because it involves chemical reactions
Because it separates substances by weight
Because it uses a chromatic scale
Because it separates substances by color
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