Experimental techniques and chemical analysis · Cambridge IGCSE 0654
C12.4 Separation and purification
C12.4 Separation and purification appeared in 6 of the 6 years from 2020–2025, worth 309 marks across 64 questions — about 4.83 marks each.
Based on 238 real Cambridge past papers, 2020–2025.
Questions per year
How many Co-ordinated Sciences questions tagged to this topic appeared each year.
- 202013
- 202116
- 20224
- 202317
- 20246
- 20258
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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