OCR GCSE Chemistry A Paper 1 2025 Question Paper

Download the official OCR GCSE (9–1) Chemistry A Gateway Science J248/01 Paper 1 Foundation Tier June 2025 Question Paper PDF for the Summer 2025 examination series. This OCR examiner-set paper contains authentic GCSE Chemistry questions covering atomic structure, bonding, acids and alkalis, electrolysis, metals, rates of reaction, nanoparticles, chromatography and separation techniques.

The paper includes multiple-choice, practical-method, graph-analysis, calculation and extended-response questions on major OCR GCSE Chemistry topics including Mendeleev’s Periodic Table, activation energy, neutralisation, metallic bonding, alloys, isotopes, chromatography, nanoparticles, ionic bonding, reaction profiles and separation methods. Students are required to complete calculations involving relative formula mass, percentage composition and surface area to volume ratio together with practical-science and experimental-planning tasks.

This June 2025 OCR Chemistry question paper also includes practical investigation questions involving temperature change experiments, chromatography, pH testing and separation techniques alongside higher-order analytical questions designed to prepare students for OCR GCSE Chemistry examinations in 2026.

Perfect for GCSE Chemistry revision, timed mock exams, classroom assessment, calculation practice and examiner-standard preparation. Best used together with the matching OCR J248/01 Mark Scheme for accurate self-assessment and OCR examiner feedback.

This document is designed for OCR GCSE (9–1) Chemistry A Gateway Science students preparing for the 2026 examination series, including Year 10 and Year 11 learners, tutors, teachers, revision centres, private candidates and home-school students studying Foundation Tier Chemistry.

It is especially useful for students aiming to improve AO1 scientific knowledge, AO2 application skills and AO3 analysis and evaluation using authentic OCR examination questions, practical-method tasks and examiner-style Chemistry calculations.