OCR GCSE Gateway Chemistry A J248/03 [QP & MS] - Paper 1(2025)
VERIFIED OCR GCSE Gateway Chemistry A J248/03 [QP & MS] - Paper 1(2025) Aim for the top grades (Grade 7-9) with this resource for OCR Gateway Chemistry A J248/03 (Higher Tier)! This digital package contains the Question Paper and Mark Scheme for the first Higher Tier Chemistry paper. This paper covers the fundamental principles but tests them with more depth, application, and math-based questions compared to the Foundation tier. What’s Included? Question Paper (J248/03): The Higher Tier exam, featuring challenging questions on structure, bonding, and quantitative chemistry. Mark Scheme: The official answers, essential for understanding the detailed level of explanation required for high-mark questions. Key Topics Covered: Particles: Atomic structure, electronic configuration, and the history of the periodic table. Structure & Bonding: Properties of ionic, covalent, and metallic substances. Quantitative Chemistry (High Value): Moles, mole calculations, Avogadro's constant, and conservation of mass. Chemical Changes: Reactivity series, electrolysis, and acids/bases. Energy Changes: Bond energy calculations and exothermic/endothermic reactions. Why This is Essential for Higher Students: Master the Math: Higher Tier papers rely heavily on moles and titration calculations. Use the Mark Scheme to check your methods. Grade 9 Focus: See how the "trickiest" questions are phrased and how to structure answers for full marks. Exam Simulation: Practice pacing yourself under Higher Tier pressure. Don't leave your Grade 9 to chance—download and start revising today.Hey! If this document helped you, I'd really appreciate a 5-star review . Your feedback helps others find useful resources. Thanks for supporting my work!"!
Document information
- Study
-
CHEMISTRY A J248/03
- Uploaded on
- January 19, 2026
- Number of pages
- 57
- Written in
- 2025/2026
- Type
- Exam (elaborations)
- Contains
- Questions & answers
