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Chromatography
Explain the process of using paper chromatography to separate mixtures of soluble colored substances with an appropriate solvent.
3
Objectives
30
Flashcards
21
Questions
90 min
Study time
CambridgeIGCSECombined ScienceExperimental techniques and chemical analysis
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Chromatography outcomes3 objectives
- Explain the process of using paper chromatography to separate mixtures of soluble colored substances with an appropriate solvent.
- Analyze simple chromatograms to determine: (a) unknown substances by comparing them with known substances (b) whether substances are pure or impure.
- State and apply the formula for Rf, which is the distance traveled by substance divided by the distance traveled by the solvent.
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