
Chromatography Rf
Authored by Charles Martinez
Chemistry
12th Grade
NGSS covered
Used 1+ times

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33 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The physical separation of mixtures into individual components is..
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Two or more substances that are mixed together but not chemically combined is a ___
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Two or more substances that are chemically combined is a ___
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Ink can be separated by a method of -----------------------------------------------
distillation
filtration
chromatography
sedimentation
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
On the chromatogram given -------------- is mixture.
6.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
A pure substance shows ------------------ spot on chromat gram
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
The diagram below shows a chromatogram obtained when a sample X was analysed together with four other known dyes P, Q, R and S. Dye Q was known to cause cancer. Which of the following dye(s) is/are safe for use?
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