Experimental techniques and chemical analysis · Cambridge IGCSE 0653
C12.3 Separation and purification
C12.3 Separation and purification appeared in 6 of the 6 years from 2020–2025, worth 319 marks across 51 questions — about 6.25 marks each.
Based on 220 real Cambridge past papers, 2020–2025.
Questions per year
How many Combined Science questions tagged to this topic appeared each year.
- 20202
- 202116
- 20226
- 202310
- 202411
- 20256
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.
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