OCR A-level Chemistry B (Salters) 2025 — H433
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Exam papers
- Question paper PDF: OCR A-LEVEL Chemistry B (Salters) — 2025 June — Practical skills in chemistry — H433/03
- Question 4 requires a separate insert that is currently unavailable in this archive.
Organizer materials and information
| Examination | Cambridge OCR A-level |
|---|---|
| Subject | Chemistry B (Salters) |
| Year and session | 2025 · June |
| Publisher | Cambridge OCR (Cambridge University Press & Assessment) |
| Fundamentals of chemistry | H433/01 · Required Time: 135 min · Weighting: 41% |
| Scientific literacy in chemistry | H433/02 · Required Time: 135 min · Weighting: 37% |
| Practical skills in chemistry | H433/03 · Required Time: 90 min · Weighting: 22% |
| Practical component | H433/04 · Required Practical endorsement in chemistry Pass / Not Classified Assessed separately; does not contribute to the qualification grade. |