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HomeAQA GCSE ChemistryRequired practical: chromatography
AQA · GCSE · Chemistry

Required practical: chromatography
Practice Questions

40 AQA GCSE Chemistry questions on Required practical: chromatography, each with instant feedback and a full examiner-style mark scheme.

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✨ Revision guide includes key terms, worked examples and exam technique for Required practical: chromatography.

Try 2 sample questions on Required practical: chromatography

Question 1 · 1 mark · Difficulty 1/3

In paper chromatography, which part acts as the stationary phase?

  1. The chromatography paper
  2. The lid covering the tank
  3. The solvent rising up the paper
  4. The pencil used to draw the baseline
Show answer & explanation
✓ Answer: AThe chromatography paper
Award 1 mark. The stationary phase is the one that does not move, and separation happens because substances are shared to different extents between the paper and the moving solvent.
Question 2 · 1 mark · Difficulty 1/3

Why is a lid placed on the chromatography tank while the chromatogram runs?

  1. It stops daylight from bleaching the dyes
  2. It stops the solvent evaporating, which would change the results
  3. It stops the paper from falling over in the tank
  4. It keeps the solvent warm so the spots move faster
Show answer & explanation
✓ Answer: BIt stops the solvent evaporating, which would change the results
Award 1 mark. A saturated atmosphere keeps the solvent front rising evenly; if solvent evaporated from the paper the distances travelled, and so the Rf values, would no longer be reproducible.
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AQA GCSE Chemistry: Required practical: chromatography FAQ

Is Kramizo free for AQA GCSE students preparing for Chemistry?
Yes — completely free. Every student gets 45 questions a day on the free plan, with no card required and no trial countdown. That free quota works across every subject and every topic in our bank, so you can mix Required practical: chromatography practice with other Chemistry topics or even switch to a totally different AQA subject without paying anything. Kramizo's optional Pro plan removes the daily cap and adds detailed progress analytics, but the free tier is the real product — used by thousands of GCSE, IGCSE and CSEC students.
Are the Required practical: chromatography questions aligned to the official AQA GCSE Chemistry syllabus?
Every question is written against the published AQA GCSE Chemistry specification, including the exact command words (state, describe, explain, calculate, evaluate, etc.), mark allocations, and difficulty tier you'd see on a real AQA paper. Explanations are written in the style of official examiner mark schemes — they tell you what is being awarded marks and why distractors are wrong, not just whether you got it right. The bank is continually refined to match the latest syllabus updates from AQA.
How is Required practical: chromatography typically tested on AQA GCSE Chemistry papers?
Required practical: chromatography appears across multiple question types on real AQA GCSE Chemistry papers — most commonly as multiple-choice questions in the objective section, structured short-answer questions in the main paper, and occasionally as part of an extended response. Kramizo's practice bank reflects that mix: 4-option MCQs, true/false statements, fill-in-the-blank key terms, multi-select questions, and ordering questions. Working through the bank gives you exposure to every question style examiners actually use.

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