Chemistry WCH
October 2025 past papers and mark schemes

About this sitting

The October 2025 sitting of Edexcel International A Level Chemistry has 12 question papers and 12 mark schemes on file. Pearson is still keeping 12 papers for teachers; they open here once they’re released. Until then, PaperLords, another free site, may have them. Tap QP for a question paper or MS for its mark scheme. They open on the desk, where you can write on them.

The papers in this sitting:

• WCH11/01
• WCH11/01A
• WCH12/01
• WCH12/01A
• WCH13/01
• WCH13/01A
• WCH14/01
• WCH14/01A
• WCH15/01
• WCH15/01A
• WCH16/01
• WCH16/01A