

Paper Chromatography Concepts and Techniques
Interactive Video
•
Chemistry
•
9th - 10th Grade
•
Practice Problem
•
Hard
Patricia Brown
FREE Resource
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary purpose of paper chromatography?
To mix different inks together
To separate mixtures of inks or dyes
To create new colors
To dissolve inks in water
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is a pencil used to draw the baseline on chromatography paper?
Because it is insoluble
Because it is soluble
Because it is erasable
Because it is colorful
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of the mobile phase in chromatography?
To stay stationary
To move up the paper and carry the ink
To change the color of the ink
To dissolve the paper
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the stationary phase in paper chromatography?
The ink
The water
The chromatography paper
The pencil line
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What should be done after the water reaches near the top of the chromatography paper?
Add more ink
Add more water
Remove the paper and draw a line where the water stopped
Let it dry completely
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the forensic case study, what was the purpose of using paper chromatography?
To identify the person responsible for altering a check
To create a new ink
To measure the thickness of ink
To test the durability of paper
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does it mean if an ink spot does not move during chromatography?
The ink is too dark
The ink is too light
The ink is insoluble
The ink is very soluble
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