Quiz: Calculating and Using Rf Values

Edexcel GCSE Chemistry

10 Steps8 Questions

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Building on what you've learned about chromatography, let's test your knowledge of calculating and using Rf values!

Multiple ChoiceInteractive

What does Rf stand for in chromatography?

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Multi-SelectInteractive

Which of the following are true about Rf values? (Select all that apply)

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Fill in the BlankInteractive

The Rf value is calculated by dividing the {{blank0}} travelled by the sample by the {{blank1}} travelled by the solvent.

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Match the items on the left with their correct pairs on the right

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Multiple ChoiceInteractive

Which factor could change the Rf value of a substance?

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typedAnswer

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Multiple ChoiceInteractive

When interpreting a chromatogram, what does a higher Rf value indicate?

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