1.9 Separation Techniques - Chromatography (GCSE Chemistry)

The following is a GCSE Chemistry test covering '1.9 Separation Techniques - Chromatography'

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What is meant by the Rf value in chromatography?

Why must the baseline be drawn in pencil rather than ink?

Paper chromatography separates substances mainly based on what property?

Ink separation performed by chromatography relies primarily on which factor?

For chromatography, the paper can be classified as what?

If two substances have the same Rf values in chromatography, what does that likely mean?

Which of these is chromatography often used to detect?

What precaution would avoid contamination during chromatography?

In chromatography, water often acts as what?

Which option correctly describes chromatography’s working process?

What is the main purpose of chromatography?

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