Chemical reactions · Cambridge IGCSE 0653
C6.3 Redox
C6.3 Redox appeared in 6 of the 6 years from 2020–2025, worth 272 marks across 100 questions — about 2.72 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.
- 202013
- 202116
- 202220
- 202323
- 202417
- 202511
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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