2025 OCR GCSE Chemistry B Foundation Tier PAPER 2 MARK SCHEME J258/02
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OCR GCSE Chemistry B (Foundation Tier) – Paper 2 Mark Scheme (J258/02) – 2025
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OCR GCSE Chemistry B (Foundation Tier) – Paper 2 Mark Scheme (J258/02) – 2025

This mark scheme provides the official marking guidance for Paper 2 of the OCR GCSE Chemistry B (9–1) Foundation Tier examination, showing how marks are awarded and what examiners expect from student responses.

It includes:

  • Clear marking points for every question

  • Acceptable answers and alternative wording appropriate for Foundation Tier

  • Guidance for simple calculations, including method and final marks

  • Support for data interpretation and practical-based questions

  • Examiner notes explaining common errors and how marks are credited

The mark scheme aligns fully with Paper 2 content, covering chemical reactions and energy, rates of reaction, organic chemistry, chemical analysis, chemistry of the atmosphere, and using resources, ensuring accurate and consistent marking.

This resource is ideal for teachers, tutors, and students, supporting:

  • Accurate marking of mock exams

  • Understanding how marks are awarded

  • Improving exam technique

  • Building confidence with Foundation Tier chemistry questions

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Author virginia
Published 23 Jan 2026
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