Chromatography
Quiz
•
Chemistry
•
9th Grade
•
Practice Problem
•
Medium
Standards-aligned
Sulistyawati Aft
Used 98+ times
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16 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
The diagram shows the paper chromatograms of four substances, W, X, Y, and Z.
Which two substance are pure?
W and X
W and Y
X and Y
Z and X
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
A student is investigating a colored mixture using chromatography.
Where should he place the coloured mixture?
in the solvent
just above the pencil line
just below the pencil line
on the pencil line
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Chromatography is used to fin out if a banned dye, P, is present in foodstuffs. The result are shown in the diagram. Which foodstuff contains P?
A
B
C
D
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Fruit drink colored orange contains a dissolved of red and yellow coloring coloring agents. One of these coloring agents is suspect of being illegal. Which method could be used to show the presence of this illegal coloring agent?
Filtration
Simple distillation
Evaporation
Chromatography
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Food colorings contain one or more food dyes. A student used paper colorings (E, F, and G) and one unknown food coloring (H) on the chromatography. The diagram shows the appearance of the paper before and after her experiment. How many food dyes are there in food colouring E?
1
2
5
6
Tags
NGSS.MS-PS1-2
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Food colorings contain one or more food dyes. A student used paper colorings (E, F, and G) and one unknown food coloring (H) on the chromatography. The diagram shows the appearance of the paper before and after her experiment. How many food dyes are there in food colouring G?
1
2
5
6
Tags
NGSS.MS-PS1-2
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which of the statement about paper chromatography is correct?
A solvent is needed to dissolve the paper
Paper chromatography separates mixtures of solvent
The solvent should cover baseline
The baseline should be drawn in pencil
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