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- 1. Multiple Choice
The stationary phase in this experiment is...
chromatography paper
water
beaker
dye
- 2. Multiple Choice
The mobile phase in this experiment is...
chromatography paper
water
beaker
dye
- 3. Multiple ChoiceThe Rf value for the blue component is0.30.7103
- 4. Multiple ChoiceThe Rf value for the red component is0.30.7107
- 5. Multiple Choice
The mixture on the left contains...
All three dyes
None of the dyes
Dye 1 and Dye 2
Dye 1 and Dye 3
Dye 2 and Dye 3
- 6. Multiple Choice
The dye with the HIGHEST Rf value will be...
Dye 1
Dye 2
Dye 3
All have the same Rf value
- 7. Multiple ChoiceTwo or more substances that are mixed together but not chemically combined is a ___compoundmixturekeratinchromatography
- 8. Multiple ChoiceOn the chromatogram given -------------- is mixture.redorangegreenblack
- 9. Multiple ChoiceA pure substance shows ------------------ spot on chromat gram0123
- 10. Multiple ChoiceThe 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?P onlyS onlyP and SP and X
- Answer choicesTagsAnswer choicesTags