Experimental techniques and chemical analysis · Cambridge O Level 5070
12.3 Chromatography
12.3 Chromatography appeared in 6 of the 6 years from 2020–2025, worth 33 marks across 18 questions — about 1.83 marks each.
Based on 95 real Cambridge past papers, 2020–2025.
Questions per year
How many Chemistry questions tagged to this topic appeared each year.
- 20207
- 20211
- 20221
- 20234
- 20242
- 20253
Appearance history
- Most recent
- 2025
- First in range
- 2020
- Years since last
- 0
- Longest gap
- 0 years
Historical occurrence only — not an exam prediction.
Related topics
Topics that most often share a question with this one.
Practise this topic
Drill 12.3 Chromatography with real Cambridge O Level Chemistry questions and their official marking schemes, or generate a fresh worksheet on it in seconds.