PapaCambridge has fully updated papers for Feb/March 2025 , May/June 2025 , and Oct/Nov 2025 sessions for IGCSE, O Level, and A Level Chemistry.
Official boards are the primary sources for authentic past papers, marking schemes, and examiner reports. Most boards have updated their repositories to include 2024 and 2025 exam series materials. Qualifications Scotland : Offers a comprehensive "Find past papers" tool covering GCSE and A-level Chemistry Pearson Edexcel : Provides an easy-to-use past paper search for International and UK qualifications. : Regularly updates its site with papers for Chemistry A and B specifications : The Scottish Qualifications Authority has recently added 2025 papers for National 5, Higher, and Advanced Higher Chemistry. Top Educational Resource Platforms chem past papers updated