
Chromatography Required practical Quiz
Authored by Clare Bell
Chemistry
10th Grade
Used 7+ times

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12 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What does chromatography mean?
Color writing
Color separation
Material writing
Material separation
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What are the two phases in chromatography?
Solid phase and liquid phase
Mobile phase and stationary phase
Active phase and passive phase
Polar phase and nonpolar phase
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Why is it important to use pencil for drawing the baseline on the chromatography paper?
The pencil is insoluble
To make the baseline more visible
To improve the separation process
To ensure accurate measurements
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the purpose of the mobile phase in chromatography?
To dissolve the colors in the food dye
To keep the colors stationary on the paper
To measure the distance traveled by the colors
To prevent the colors from mixing
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the stationary phase in chromatography?
The chromatography paper itself
The food coloring dots on the paper
The glass rod holding the paper
The water in the beaker
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What does the RF value measure in chromatography?
The solubility of the colors in the solvent
The affinity of the colors for the mobile phase
The distance traveled by the colors
The distance traveled by the solvent
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How is the RF value calculated for a specific color?
By multiplying the distance traveled by the color with the distance traveled by the solvent
By dividing the distance traveled by the color by the distance traveled by the solvent
By adding the distance traveled by the color to the distance traveled by the solvent
By subtracting the distance traveled by the color from the distance traveled by the solvent
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