Students explain separation in terms of stationary and mobile phases, carry out thin-layer chromatography and calculate Rf values, and describe column chromatography for purifying products.
Included in every Skoolmaths plan
Questions are marked automatically as pupils answer: a sound and a character reaction show straight away whether they are right, and correct answers earn points, with a results screen at the end. Sentence-writing tasks are for pupils' own answers and are not marked automatically.
A 23-slide interactive lesson that runs in any web browser on a computer, tablet or interactive whiteboard. Members open it online from their year group page. Buying it on its own gives you a .zip download to unzip and open.
Free preview: try the first slides before you decide. Included in every Skoolmaths plan.
From checking a drug's purity to catching cheats in sport, chromatography separates and identifies mixtures. This 23-slide interactive lesson on thin-layer chromatography takes pupils from first ideas to exam-style explanations, with 14 self-marking activities and nothing to prepare beforehand.
Students explain separation in terms of stationary and mobile phases, carry out thin-layer chromatography and calculate Rf values, and describe column chromatography for purifying products. They interpret gas chromatograms using retention times and peak areas, and explain how GC–MS identifies each component of a mixture.
Supports the organic chemistry content of UK A-level Chemistry (AQA section 3.3, with equivalent OCR and Edexcel content) and prepares Nigerian students for post-SSCE study, JAMB and first-year university chemistry.
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What year groups is this for? Year 13 (ages 16–18), and post-SSCE students in Nigeria.
Is it self-marking? Yes — all 14 activities give instant feedback.
Do pupils need to log in? No. The lesson runs in any modern web browser.
Can I use it for revision? Yes. Pupils can replay it as often as they like, and the results screen shows which questions to review before a test.
| Year Groups | A-Level Chemistry, Year 12 Science & Year 13 Science |
|---|---|
| Resource Type | 🎓 Interactive Lesson & Activities |
| Format | Digital Only |
| Curriculum | England & Wales — Post-16 (Years 12–13) |
| Added | 25 October 2026 |
Membership unlocks this resource plus every lesson, worksheet and activity — all subjects, all year groups, all in one place.
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