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CAIE IGCSE Chemistry Separating Soluble Coloured Mixtures

Practise describing paper chromatography with a pencil baseline, suitable solvent and solvent front to separate soluble coloured mixture components.

Syllabus
2026–2028
Course
Chemistry 0620

Exam points

  • draw the baseline in pencil and place the mixture as a small spot on the line
  • stand the paper in a suitable solvent with the baseline and sample above the solvent level
  • allow the solvent to rise, mark its front and use separated spots to identify components

12.3.1—Paper chromatography is used to question 1

[Maximum number: 1]

Name the process used to:

identify the components of a mixture of soluble coloured substances

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