Key term for Edexcel GCSE Chemistry, used in Separating and Purifying Substances.
A ratio representing the distance moved by a substance compared to the distance moved by the solvent, used to identify different components.
Rf value appears in Edexcel GCSE Chemistry revision content for States of Matter and Mixtures, especially Separating and Purifying Substances and Core Practical: Composition of Inks.
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