2025 OCR GCSE Chemistry B Twenty First Century Science Paper 1 and Mark Scheme Combined (J258/01 Breadth in Chemistry (Foundation Tier)

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This resource contains the 2025 OCR GCSE Chemistry B (Twenty First Century Science) Paper 1 – Breadth in Chemistry (Foundation Tier) for specification J258/01, combined with the official mark scheme.
It provides full coverage of the Foundation Tier content assessed in Paper 1, making it an essential revision and exam preparation tool for students, teachers, and tutors.

What’s included?

The complete 2025 OCR Chemistry B Paper 1 (Foundation Tier)
The official OCR mark scheme
Clear marking guidance showing how marks are awarded
Questions covering all key topics, including:
- Atomic structure and the periodic table
- Bonding, structure and properties of matter
- Quantitative chemistry and chemical calculations
- Chemical changes
- Energy changes in reactions
- States of matter
- Required practicals and practical chemistry skills

Ideal for:

Students revising for the Foundation Tier OCR GCSE Chemistry B exam
Teachers preparing lessons, homework, or mock exams
Practicing exam technique and understanding mark allocations
Checking answers against the official mark scheme
Independent study or group revision sessions

This combined exam paper and mark scheme is a complete resource for effective preparation for the 2025 OCR GCSE Chemistry B Paper 1 – Breadth in Chemistry (Foundation Tier, J258/01).

Specifications

Author	Proficient Academic Tutor
Published	05 Dec 2025
Included files	PDF
OCR GCSE Chemistry B Twenty First Century Science Chemistry J258/01 Chemistry Paper 1 Breadth in Chemistry Foundation Tier Chemistry GCSE Chemistry 2025 OCR Chemistry B 2025 OCR exam paper OCR mark scheme