Experimental techniques and chemical analysis · Cambridge IGCSE 0654
C12.5 Identification of ions and gases
C12.5 Identification of ions and gases appeared in 6 of the 6 years from 2020–2025, worth 785 marks across 132 questions — about 5.95 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.
- 202021
- 202127
- 202220
- 202319
- 202421
- 202524
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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