A levelOCRH433
OCR A level Chemistry B (Salters) past papers
OCR has published 34 question papers for Chemistry B (Salters) (H433) from 2017 to 2025, 28 of them with a mark scheme. They are listed newest first, and each one opens the PDF on ocr.org.uk in a new tab. The grade boundaries for 10 series are on their own page, in our own tables. The specification (H433) is linked below as well.
Grade boundariesGrade calculatorExam datesSpecification (PDF) (opens ocr.org.uk in a new tab)How it is examinedOCR's own past paper page (opens ocr.org.uk in a new tab)Everything for Chemistry B (Salters)
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June 2025
3 papers · grade boundaries
- H433/01: Fundamentals of chemistry erratumQuestion paper for June 2025 H433/01: Fundamentals of chemistry erratum (PDF on ocr.org.uk, opens in a new tab)Do it in cookie: June 2025 H433/01: Fundamentals of chemistry erratumQuestion paper for June 2025 H433/01: Fundamentals of chemistry erratum (PDF on ocr.org.uk, opens in a new tab)Mark scheme for June 2025 H433/01: Fundamentals of chemistry erratum (PDF on ocr.org.uk, opens in a new tab)Examiner report for June 2025 H433/01: Fundamentals of chemistry erratum (PDF on ocr.org.uk, opens in a new tab)
- H433/02: Scientific literacy in chemistryQuestion paper for June 2025 H433/02: Scientific literacy in chemistry (PDF on ocr.org.uk, opens in a new tab)Do it in cookie: June 2025 H433/02: Scientific literacy in chemistryInsert for June 2025 H433/02: Scientific literacy in chemistry (PDF on ocr.org.uk, opens in a new tab)Mark scheme for June 2025 H433/02: Scientific literacy in chemistry (PDF on ocr.org.uk, opens in a new tab)Examiner report for June 2025 H433/02: Scientific literacy in chemistry (PDF on ocr.org.uk, opens in a new tab)
- H433/03: Practical skills in chemistryQuestion paper for June 2025 H433/03: Practical skills in chemistry (PDF on ocr.org.uk, opens in a new tab)Do it in cookie: June 2025 H433/03: Practical skills in chemistryInsert for June 2025 H433/03: Practical skills in chemistry (PDF on ocr.org.uk, opens in a new tab)Mark scheme for June 2025 H433/03: Practical skills in chemistry (PDF on ocr.org.uk, opens in a new tab)Examiner report for June 2025 H433/03: Practical skills in chemistry (PDF on ocr.org.uk, opens in a new tab)
- Grade boundariesGrade boundaries for June 2025
June 2024
3 papers · grade boundaries
- H433/01: Fundamentals of chemistry erratumQuestion paper for June 2024 H433/01: Fundamentals of chemistry erratum (PDF on ocr.org.uk, opens in a new tab)Do it in cookie: June 2024 H433/01: Fundamentals of chemistry erratumQuestion paper for June 2024 H433/01: Fundamentals of chemistry erratum (PDF on ocr.org.uk, opens in a new tab)Mark scheme for June 2024 H433/01: Fundamentals of chemistry erratum (PDF on ocr.org.uk, opens in a new tab)Examiner report for June 2024 H433/01: Fundamentals of chemistry erratum (PDF on ocr.org.uk, opens in a new tab)
- H433/02: Scientific literacy in chemistryInsert for June 2024 H433/02: Scientific literacy in chemistry (PDF on ocr.org.uk, opens in a new tab)Mark scheme for June 2024 H433/02: Scientific literacy in chemistry (PDF on ocr.org.uk, opens in a new tab)Examiner report for June 2024 H433/02: Scientific literacy in chemistry (PDF on ocr.org.uk, opens in a new tab)
- H433/03: Practical skills in chemistryQuestion paper for June 2024 H433/03: Practical skills in chemistry (PDF on ocr.org.uk, opens in a new tab)Do it in cookie: June 2024 H433/03: Practical skills in chemistryInsert for June 2024 H433/03: Practical skills in chemistry (PDF on ocr.org.uk, opens in a new tab)Mark scheme for June 2024 H433/03: Practical skills in chemistry (PDF on ocr.org.uk, opens in a new tab)Examiner report for June 2024 H433/03: Practical skills in chemistry (PDF on ocr.org.uk, opens in a new tab)
- Grade boundariesGrade boundaries for June 2024
January 2024
1 paper
June 2023
3 papers · grade boundaries
- H433/01: Fundamentals of chemistryQuestion paper for June 2023 H433/01: Fundamentals of chemistry (PDF on ocr.org.uk, opens in a new tab)Do it in cookie: June 2023 H433/01: Fundamentals of chemistryQuestion paper for June 2023 H433/01: Fundamentals of chemistry (PDF on ocr.org.uk, opens in a new tab)Mark scheme for June 2023 H433/01: Fundamentals of chemistry (PDF on ocr.org.uk, opens in a new tab)Examiner report for June 2023 H433/01: Fundamentals of chemistry (PDF on ocr.org.uk, opens in a new tab)
- H433/02: Scientific literacy in chemistryQuestion paper for June 2023 H433/02: Scientific literacy in chemistry (PDF on ocr.org.uk, opens in a new tab)Do it in cookie: June 2023 H433/02: Scientific literacy in chemistryInsert for June 2023 H433/02: Scientific literacy in chemistry (PDF on ocr.org.uk, opens in a new tab)Mark scheme for June 2023 H433/02: Scientific literacy in chemistry (PDF on ocr.org.uk, opens in a new tab)Examiner report for June 2023 H433/02: Scientific literacy in chemistry (PDF on ocr.org.uk, opens in a new tab)
- H433/03: Practical skills in chemistryQuestion paper for June 2023 H433/03: Practical skills in chemistry (PDF on ocr.org.uk, opens in a new tab)Do it in cookie: June 2023 H433/03: Practical skills in chemistryInsert for June 2023 H433/03: Practical skills in chemistry (PDF on ocr.org.uk, opens in a new tab)Mark scheme for June 2023 H433/03: Practical skills in chemistry (PDF on ocr.org.uk, opens in a new tab)Examiner report for June 2023 H433/03: Practical skills in chemistry (PDF on ocr.org.uk, opens in a new tab)
- Grade boundariesGrade boundaries for June 2023
June 2022
3 papers · grade boundaries
- H433/01: Fundamentals of chemistryQuestion paper for June 2022 H433/01: Fundamentals of chemistry (PDF on ocr.org.uk, opens in a new tab)Do it in cookie: June 2022 H433/01: Fundamentals of chemistryQuestion paper for June 2022 H433/01: Fundamentals of chemistry (PDF on ocr.org.uk, opens in a new tab)Mark scheme for June 2022 H433/01: Fundamentals of chemistry (PDF on ocr.org.uk, opens in a new tab)Examiner report for June 2022 H433/01: Fundamentals of chemistry (PDF on ocr.org.uk, opens in a new tab)
- H433/02: Scientific literacy in chemistryQuestion paper for June 2022 H433/02: Scientific literacy in chemistry (PDF on ocr.org.uk, opens in a new tab)Do it in cookie: June 2022 H433/02: Scientific literacy in chemistryInsert for June 2022 H433/02: Scientific literacy in chemistry (PDF on ocr.org.uk, opens in a new tab)Mark scheme for June 2022 H433/02: Scientific literacy in chemistry (PDF on ocr.org.uk, opens in a new tab)Examiner report for June 2022 H433/02: Scientific literacy in chemistry (PDF on ocr.org.uk, opens in a new tab)
- H433/03: Practical skills in chemistryQuestion paper for June 2022 H433/03: Practical skills in chemistry (PDF on ocr.org.uk, opens in a new tab)Do it in cookie: June 2022 H433/03: Practical skills in chemistryInsert for June 2022 H433/03: Practical skills in chemistry (PDF on ocr.org.uk, opens in a new tab)Mark scheme for June 2022 H433/03: Practical skills in chemistry (PDF on ocr.org.uk, opens in a new tab)Examiner report for June 2022 H433/03: Practical skills in chemistry (PDF on ocr.org.uk, opens in a new tab)
- Grade boundariesGrade boundaries for June 2022
November 2021
3 papers · grade boundaries
- H433/01: Fundamentals of chemistryQuestion paper for November 2021 H433/01: Fundamentals of chemistry (PDF on ocr.org.uk, opens in a new tab)Do it in cookie: November 2021 H433/01: Fundamentals of chemistryMark scheme for November 2021 H433/01: Fundamentals of chemistry (PDF on ocr.org.uk, opens in a new tab)Examiner report for November 2021 H433/01: Fundamentals of chemistry (PDF on ocr.org.uk, opens in a new tab)
- H433/02: Scientific literacy in chemistryQuestion paper for November 2021 H433/02: Scientific literacy in chemistry (PDF on ocr.org.uk, opens in a new tab)Do it in cookie: November 2021 H433/02: Scientific literacy in chemistryInsert for November 2021 H433/02: Scientific literacy in chemistry (PDF on ocr.org.uk, opens in a new tab)Mark scheme for November 2021 H433/02: Scientific literacy in chemistry (PDF on ocr.org.uk, opens in a new tab)Examiner report for November 2021 H433/02: Scientific literacy in chemistry (PDF on ocr.org.uk, opens in a new tab)
- H433/03: Practical skills in chemistryQuestion paper for November 2021 H433/03: Practical skills in chemistry (PDF on ocr.org.uk, opens in a new tab)Do it in cookie: November 2021 H433/03: Practical skills in chemistryInsert for November 2021 H433/03: Practical skills in chemistry (PDF on ocr.org.uk, opens in a new tab)Mark scheme for November 2021 H433/03: Practical skills in chemistry (PDF on ocr.org.uk, opens in a new tab)Examiner report for November 2021 H433/03: Practical skills in chemistry (PDF on ocr.org.uk, opens in a new tab)
- Grade boundariesGrade boundaries for November 2021
November 2020
3 papers · grade boundaries
- H433/01: Fundamentals of chemistryQuestion paper for November 2020 H433/01: Fundamentals of chemistry (PDF on ocr.org.uk, opens in a new tab)Do it in cookie: November 2020 H433/01: Fundamentals of chemistryMark scheme for November 2020 H433/01: Fundamentals of chemistry (PDF on ocr.org.uk, opens in a new tab)Examiner report for November 2020 H433/01: Fundamentals of chemistry (PDF on ocr.org.uk, opens in a new tab)
- H433/02: Scientific literacy in chemistryQuestion paper for November 2020 H433/02: Scientific literacy in chemistry (PDF on ocr.org.uk, opens in a new tab)Do it in cookie: November 2020 H433/02: Scientific literacy in chemistryInsert for November 2020 H433/02: Scientific literacy in chemistry (PDF on ocr.org.uk, opens in a new tab)Mark scheme for November 2020 H433/02: Scientific literacy in chemistry (PDF on ocr.org.uk, opens in a new tab)Examiner report for November 2020 H433/02: Scientific literacy in chemistry (PDF on ocr.org.uk, opens in a new tab)
- H433/03: Practical skills in chemistryQuestion paper for November 2020 H433/03: Practical skills in chemistry (PDF on ocr.org.uk, opens in a new tab)Do it in cookie: November 2020 H433/03: Practical skills in chemistryInsert for November 2020 H433/03: Practical skills in chemistry (PDF on ocr.org.uk, opens in a new tab)Mark scheme for November 2020 H433/03: Practical skills in chemistry (PDF on ocr.org.uk, opens in a new tab)Examiner report for November 2020 H433/03: Practical skills in chemistry (PDF on ocr.org.uk, opens in a new tab)
- Grade boundariesGrade boundaries for November 2020
June 2019
3 papers · grade boundaries
- H433/01: Fundamentals of chemistryQuestion paper for June 2019 H433/01: Fundamentals of chemistry (PDF on ocr.org.uk, opens in a new tab)Do it in cookie: June 2019 H433/01: Fundamentals of chemistryMark scheme for June 2019 H433/01: Fundamentals of chemistry (PDF on ocr.org.uk, opens in a new tab)Examiner report for June 2019 H433/01: Fundamentals of chemistry (PDF on ocr.org.uk, opens in a new tab)
- H433/02: Scientific literacy in chemistryQuestion paper for June 2019 H433/02: Scientific literacy in chemistry (PDF on ocr.org.uk, opens in a new tab)Do it in cookie: June 2019 H433/02: Scientific literacy in chemistryInsert for June 2019 H433/02: Scientific literacy in chemistry (PDF on ocr.org.uk, opens in a new tab)Mark scheme for June 2019 H433/02: Scientific literacy in chemistry (PDF on ocr.org.uk, opens in a new tab)Examiner report for June 2019 H433/02: Scientific literacy in chemistry (PDF on ocr.org.uk, opens in a new tab)
- H433/03: Practical skills in chemistryQuestion paper for June 2019 H433/03: Practical skills in chemistry (PDF on ocr.org.uk, opens in a new tab)Do it in cookie: June 2019 H433/03: Practical skills in chemistryInsert for June 2019 H433/03: Practical skills in chemistry (PDF on ocr.org.uk, opens in a new tab)Mark scheme for June 2019 H433/03: Practical skills in chemistry (PDF on ocr.org.uk, opens in a new tab)Mark scheme for June 2019 H433/03: Practical skills in chemistry (PDF on ocr.org.uk, opens in a new tab)Examiner report for June 2019 H433/03: Practical skills in chemistry (PDF on ocr.org.uk, opens in a new tab)
- Grade boundariesGrade boundaries for June 2019
June 2018
4 papers · grade boundaries
- H433/01: Fundamentals of chemistryQuestion paper for June 2018 H433/01: Fundamentals of chemistry (PDF on ocr.org.uk, opens in a new tab)Do it in cookie: June 2018 H433/01: Fundamentals of chemistryMark scheme for June 2018 H433/01: Fundamentals of chemistry (PDF on ocr.org.uk, opens in a new tab)Examiner report for June 2018 H433/01: Fundamentals of chemistry (PDF on ocr.org.uk, opens in a new tab)
- Data sheetInsert for June 2018 Data sheet (PDF on ocr.org.uk, opens in a new tab)
- H433/02: Scientific literacy in chemistryQuestion paper for June 2018 H433/02: Scientific literacy in chemistry (PDF on ocr.org.uk, opens in a new tab)Do it in cookie: June 2018 H433/02: Scientific literacy in chemistryInsert for June 2018 H433/02: Scientific literacy in chemistry (PDF on ocr.org.uk, opens in a new tab)Mark scheme for June 2018 H433/02: Scientific literacy in chemistry (PDF on ocr.org.uk, opens in a new tab)Examiner report for June 2018 H433/02: Scientific literacy in chemistry (PDF on ocr.org.uk, opens in a new tab)
- H433/03: Practical skills in chemistryQuestion paper for June 2018 H433/03: Practical skills in chemistry (PDF on ocr.org.uk, opens in a new tab)Do it in cookie: June 2018 H433/03: Practical skills in chemistryInsert for June 2018 H433/03: Practical skills in chemistry (PDF on ocr.org.uk, opens in a new tab)Mark scheme for June 2018 H433/03: Practical skills in chemistry (PDF on ocr.org.uk, opens in a new tab)Examiner report for June 2018 H433/03: Practical skills in chemistry (PDF on ocr.org.uk, opens in a new tab)
- Grade boundariesGrade boundaries for June 2018
June 2017
4 papers · grade boundaries
- H433/01: Fundamentals of chemistryQuestion paper for June 2017 H433/01: Fundamentals of chemistry (PDF on ocr.org.uk, opens in a new tab)Do it in cookie: June 2017 H433/01: Fundamentals of chemistryMark scheme for June 2017 H433/01: Fundamentals of chemistry (PDF on ocr.org.uk, opens in a new tab)
- H433/02: Scientific literacy in chemistryQuestion paper for June 2017 H433/02: Scientific literacy in chemistry (PDF on ocr.org.uk, opens in a new tab)Do it in cookie: June 2017 H433/02: Scientific literacy in chemistryMark scheme for June 2017 H433/02: Scientific literacy in chemistry (PDF on ocr.org.uk, opens in a new tab)
- H433/03: Practical skills in chemistryQuestion paper for June 2017 H433/03: Practical skills in chemistry (PDF on ocr.org.uk, opens in a new tab)Do it in cookie: June 2017 H433/03: Practical skills in chemistryInsert for June 2017 H433/03: Practical skills in chemistry (PDF on ocr.org.uk, opens in a new tab)Mark scheme for June 2017 H433/03: Practical skills in chemistry (PDF on ocr.org.uk, opens in a new tab)
- Data sheetInsert for June 2017 Data sheet (PDF on ocr.org.uk, opens in a new tab)
- Grade boundariesGrade boundaries for June 2017
Specimen
4 papers
- H433/01: Fundamentals of chemistryQuestion paper for Specimen H433/01: Fundamentals of chemistry (PDF on ocr.org.uk, opens in a new tab)Do it in cookie: Specimen H433/01: Fundamentals of chemistry
- H433/02: Scientific literacy in chemistryQuestion paper for Specimen H433/02: Scientific literacy in chemistry (PDF on ocr.org.uk, opens in a new tab)Do it in cookie: Specimen H433/02: Scientific literacy in chemistry
- H433/03: Practical skills in chemistryQuestion paper for Specimen H433/03: Practical skills in chemistry (PDF on ocr.org.uk, opens in a new tab)Do it in cookie: Specimen H433/03: Practical skills in chemistry
- Data sheetInsert for Specimen Data sheet (PDF on ocr.org.uk, opens in a new tab)
Common questions
Where can I find Chemistry B (Salters) past papers from OCR?
This page links every Chemistry B (Salters) paper OCR publishes for everyone to download, newest first, starting with June 2025. Each link opens the PDF on OCR's own website. The most recent series is usually released a year or so after the exam, and it will appear here once OCR makes it public.
Are there mark schemes for these Chemistry B (Salters) papers?
Yes, 26 of the 30 question papers here have a mark scheme, and 24 have an examiner report as well, which is worth reading for the mistakes that cost the most marks.
What were the Chemistry B (Salters) grade boundaries in June 2026?
In June 2026, an A needed 198 out of 270 and an E needed 74. The grade boundaries for every series from June 2017 to June 2026 are on this course's grade boundaries page, and each series of papers here links to its own year's table, so you can mark a paper and read your grade.
Where is the Chemistry B (Salters) specification?
It is linked at the top of this page: OCR's own Chemistry B (Salters) specification (H433), a PDF on its website, which sets out what you can be examined on and how the exams are marked. According to OCR's grade boundaries for June 2026, the course is examined in 3 papers, worth 270 marks in all.
How can I practise more Chemistry B (Salters) questions?
cookie's practice decks can make fresh exam-style questions from a specification or your own notes, with feedback and spaced repetition, so you can keep practising once the papers run out.
Can I get help with Chemistry B (Salters)?
Cookie Tutoring may have tutors for Chemistry B (Salters). The Find a tutor link keeps the subject and qualification filters from this page, so you can check the marketplace without assuming that a suitable tutor is available.
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cookie is independent and is not affiliated with or endorsed by any exam board. Every paper here is a link to the board's own copy on its own website, and the papers belong to the boards that set them. If a link has stopped working, the board's own past paper page is linked on each course. The grade boundaries are copied from the boards’ own published documents, each linked under its table.