Resource produced to visually illustrate how a mixture is separated into pure substances during chromatography. Designed initially for a low ability year 9 group (2017 Edexcel GCSE Combined Science).
Students use different colours to show particles present in ink and dies involved in chromatography; then identify mixture / pure substances and calculate Rf values.
Students use different colours to show particles present in ink and dies involved in chromatography; then identify mixture / pure substances and calculate Rf values.
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Simple but very effective
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