OCR GCSE Combined Science Chemistry Paper 9 2025 Qp

Get the official OCR GCSE (9–1) Combined Science A (Gateway Science) Chemistry Higher Tier question paper from the June 2025 exam series (J250/09). This downloadable PDF contains the complete OCR Chemistry Higher Tier paper sat on Monday 19 May 2025, including all multiple-choice, bonding, electrolysis, energetics, structure and bonding, acids, alkalis, calculations, and practical chemistry questions in the original OCR exam layout used during the live assessment.

This OCR J250/09 June 2025 question paper assesses key GCSE Chemistry topics including atomic structure, ionic and covalent bonding, exothermic reactions, chromatography, electrolysis, empirical formulae, acids and alkalis, reaction energetics, and quantitative chemistry. Pair it with the matching OCR J250/09 June 2025 mark scheme on markscheme.net for complete examiner-standard revision and self-assessment. Updated for the 2025/2026 academic year, optimised for mobile and desktop, and instantly downloadable from markscheme.net — your fastest route to top-grade GCSE Combined Science Chemistry revision.

This document is designed for Year 11 GCSE Combined Science students preparing for the 2026 OCR Gateway Science examination series, Higher Tier resit candidates aiming for stronger grades, home-educated learners, and students improving advanced GCSE Chemistry exam technique. It is especially valuable for candidates practising calculations, structure-and-bonding explanations, electrolysis questions, and extended-response chemistry evaluations under real exam conditions.

Teachers, science departments, private tutors, revision-course providers, intervention coordinators, and parents can use this paper for timed mock examinations, retrieval practice, structured homework, mark-scheme walkthroughs, identifying misconceptions, and benchmarking student performance against the live June 2025 OCR Chemistry assessment standard.