Chromatography Quiz
Interactive Video
•
Chemistry
•
9th - 10th Grade
•
Practice Problem
•
Hard
Nancy Jackson
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary purpose of chromatography?
To measure the temperature of compounds
To mix different compounds
To separate, identify, and purify compounds
To create new chemical compounds
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of chromatography uses Whatman number one filter paper?
Thin-layer chromatography
Column chromatography
Gas chromatography
Paper chromatography
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of the mobile phase in paper chromatography?
To carry the analyte along the stationary phase
To remain stationary
To dissolve the stationary phase
To change the color of the analyte
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which solvent mixture is used for optimal separation of plant pigments?
Ethanol and methanol
Acetone and petroleum ether
Water and ethanol
Methanol and isopropanol
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in preparing for the chromatography experiment?
Marking the solvent front
Cutting the chromatography paper
Pouring the solvent into the jar
Grinding the leaves with solvent and sand
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the chromatography paper prepared before placing it in the jar?
By drawing a pencil line and applying leaf extract
By soaking it in water
By heating it
By cutting it into small pieces
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What should be done once the solvent reaches the desired level on the paper?
Heat the jar
Add more leaf extract
Add more solvent
Remove the paper and mark the solvent front
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