OCR A-Level Chemistry B (Salters) Past Papers & Mark Schemes
Free OCR A-Level Chemistry B Salters (H433) past papers and mark schemes. Fundamentals of Chemistry, Scientific Literacy with advance notice, and Practical Skills. 87 resources.
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June 2023
14 filesChemistry B (Salters) – Question paper – Practical skills in chemistry insert
Chemistry B (Salters) – Question paper – Fundamentals of chemistry
Chemistry B (Salters) – Question paper – Fundamentals of chemistry erratum
Chemistry B (Salters) – Question paper – Scientific literacy in chemistry
Chemistry B (Salters) – Question paper – Scientific literacy in chemistry advance notice article
Chemistry B (Salters) – Question paper – Practical skills in chemistry
Chemistry B (Salters) – Mark scheme – Scientific literacy in chemistry
Chemistry B (Salters) – Mark scheme – Fundamentals of chemistry
Chemistry B (Salters) – Modified Papers
Chemistry B (Salters) – Mark scheme – Practical skills in chemistry
Chemistry B (Salters) – Examiners’ report – Practical skills in chemistry
Chemistry B (Salters) – Examiners’ report – Scientific literacy in chemistry
Chemistry B (Salters) – Examiners’ report – Fundamentals of chemistry
Chemistry B (Salters) – Modified papers
June 2022
13 filesChemistry B (Salters) – Question paper – Fundamentals of chemistry
Chemistry B (Salters) – Question paper – Fundamentals of chemistry post exam correction
Chemistry B (Salters) – Question paper – Scientific literacy in chemistry
Chemistry B (Salters) – Question paper – Scientific literacy in chemistry advance notice article
Chemistry B (Salters) – Question paper – Practical skills in chemistry
Chemistry B (Salters) – Mark scheme – Scientific literacy in chemistry
Chemistry B (Salters) – Mark scheme – Fundamentals of chemistry
Chemistry B (Salters) – Mark scheme – Practical skills in chemistry
Chemistry B (Salters) – Examiners’ report – Practical skills in chemistry
Chemistry B (Salters) – Examiners’ report – Scientific literacy in chemistry
Chemistry B (Salters) – Examiners’ report – Fundamentals of chemistry
Chemistry B (Salters) – Insert – Practical skills in chemistry
Chemistry B (Salters) – Modified papers
November 2021
13 filesChemistry B (Salters) – Question paper – Scientific literacy in chemistry insert
Chemistry B (Salters) – Question paper – Practical skills in chemistry insert
Chemistry B (Salters) – Question paper – Fundamentals of chemistry
Chemistry B (Salters) – Question paper – Scientific literacy in chemistry
Chemistry B (Salters) – Question paper – Practical skills in chemistry
Chemistry B (Salters) – Mark scheme – Scientific literacy in chemistry
Chemistry B (Salters) – Mark scheme – Fundamentals of chemistry
Chemistry B (Salters) – Mark scheme – Practical skills in chemistry
Chemistry B (Salters) – Examiners’ report – Practical skills in chemistry
Chemistry B (Salters) – Data booklet
Chemistry B (Salters) – Examiners’ report – Scientific literacy in chemistry
Chemistry B (Salters) – Examiners’ report – Fundamentals of chemistry
Chemistry B (Salters) – Data booklet
November 2020
13 filesChemistry B (Salters) – Question paper – Scientific literacy in chemistry insert
Chemistry B (Salters) – Question paper – Practical skills in chemistry insert
Chemistry B (Salters) – Question paper – Fundamentals of chemistry
Chemistry B (Salters) – Question paper – Scientific literacy in chemistry
Chemistry B (Salters) – Question paper – Practical skills in chemistry
Chemistry B (Salters) – Mark scheme – Scientific literacy in chemistry
Chemistry B (Salters) – Mark scheme – Fundamentals of chemistry
Chemistry B (Salters) – Mark scheme – Practical skills in chemistry
Chemistry B (Salters) – Examiners’ report – Practical skills in chemistry
Chemistry B (Salters) – Data booklet
Chemistry B (Salters) – Examiners’ report – Scientific literacy in chemistry
Chemistry B (Salters) – Examiners’ report – Fundamentals of chemistry
Chemistry B (Salters) – Data booklet
June 2019
15 filesChemistry B (Salters) – Question paper – Fundamentals of chemistry
Chemistry B (Salters) – Question paper – Scientific literacy in chemistry
Chemistry B (Salters) – Question paper – Practical skills in chemistry
Chemistry B (Salters) – Mark scheme – Scientific literacy in chemistry
Chemistry B (Salters) – Mark scheme – Fundamentals of chemistry
Chemistry B (Salters) – Mark scheme – Practical skills in chemistry
Chemistry B (Salters) – Mark scheme – Practical skills in chemistry
Chemistry B (Salters) – Examiners’ report – Practical skills in chemistry
Chemistry B (Salters) – Data booklet – Chemistry B (CST264)
Chemistry B (Salters) – Examiners’ report – Scientific literacy in chemistry
Chemistry B (Salters) – Examiners’ report – Fundamentals of chemistry
Chemistry B (Salters) – Insert – Practical skills in chemistry
Chemistry B (Salters) – Insert – Scientific literacy in chemistry
Chemistry B (Salters) – Modified papers
Chemistry B (Salters) – Data Sheet
June 2018
15 filesChemistry B (Salters) – Question paper – Scientific literacy in chemistry insert
Chemistry B (Salters) – Question paper – Fundamentals of chemistry
Chemistry B (Salters) – Question paper – Practical skills in chemistry insert
Chemistry B (Salters) – Question paper – Scientific literacy in chemistry
Chemistry B (Salters) – Question paper – Practical skills in chemistry
Chemistry B (Salters) – Mark scheme – Scientific literacy in chemistry
Chemistry B (Salters) – Mark scheme – Fundamentals of chemistry
Chemistry B (Salters) – Mark scheme – Practical skills in chemistry
Chemistry B (Salters) – Modified papers
Chemistry B (Salters) – Examiners’ report – Practical skills in chemistry
Chemistry B (Salters) – Examiners’ report – Scientific literacy in chemistry
Chemistry B (Salters) – Data sheet
Chemistry B (Salters) – Examiners’ report – Fundamentals of chemistry
Chemistry B (Salters) – Modified papers
Chemistry B (Salters) – Data sheet
June 2017
11 filesChemistry B (Salters) – Question paper – Scientific literacy in chemistry
Chemistry B (Salters) – Question paper – Practical skills in chemistry
Chemistry B (Salters) – Question paper – Fundamentals of chemistry
Chemistry B (Salters) – Question paper – Practical skills in chemistry insert
Chemistry B (Salters) – Mark scheme – Fundamentals of chemistry
Chemistry B (Salters) – Mark scheme – Practical skills in chemistry
Chemistry B (Salters) – Modified papers
Chemistry B (Salters) – Modified papers
Chemistry B (Salters) – Mark scheme – Scientific literacy in chemistry
Chemistry B (Salters) – Data sheet
Chemistry B (Salters) – Examiners’ report
June 2016
2 filesReal-World Chemistry Through Storylines: The Context-Led Salters Approach
Exam Paper Structure
Fundamentals of Chemistry
Scientific Literacy in Chemistry
Practical Skills in Chemistry
Key Information
| Exam Board | OCR |
| Specification Code | H433 |
| Qualification | A-Level |
| Grading Scale | A*–E |
| Assessment Type | 3 written papers + Practical Endorsement |
| Number Of Papers | 3 |
| Exam Duration | Papers 1 & 2: 2h 15m each. Paper 3: 1h 30m |
| Total Marks | 270 (110 + 100 + 60) |
| Calculator Status | Calculator allowed in all papers |
| Available Sessions | June 2017 – June 2024 |
| Total Resources | 87 |
Key Topics in Chemistry B (Salters)
Topics you need to know
Exam Command Words
| Command word | What the examiner expects |
|---|---|
| Explain | Give scientific reasons linking cause to effect, using appropriate chemical terminology |
| Evaluate | Review information or data critically, weighing evidence to reach a supported judgement |
| Calculate | Determine a numerical answer with full working, correct formula, and appropriate units |
| Suggest | Propose a scientifically plausible explanation for an observation in a context that may be unfamiliar |
| Describe | Give a detailed account of a chemical process, observation, or technique |
| Design | Plan an experimental procedure specifying apparatus, method, variables, and safety precautions |
| Deduce | Use given data or information to arrive at a chemical conclusion through logical reasoning |
Typical Grade Boundaries
| Grade | Approximate mark needed |
|---|---|
| A* | 70–82% |
| A | 58–69% |
| B | 48–57% |
| C | 39–47% |
| D | 30–38% |
| E | 21–29% |
⚠️ Typical boundaries across three papers (270 total marks). Actual boundaries vary by series — check OCR's website.
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