Science (Double Award) — Modular 2024, Chemistry Unit 1
Official past papers grouped by session — view the question paper and mark scheme side by side, solve in your notebook, run a timed mock, or play a paper interactively where its questions are already parsed.
2 papers · 1 sessionTwo ways to use a paper: open the Question Paper and Mark Scheme PDFs (side-by-side split on desktop, an A/B toggle on mobile) and self-mark, or run a Mock — fullscreen QP with the official timer, then grade against the MS.
Official Pearson Edexcel documents streamed from the syllabai-pastpapers archive (AI-IDENTIFIED provenance, operator ratification pending · index generated 2026-10-21).
4WSD3/1CPaper 1C
IGCSE science-double-award 4XSD1 · QP 340 KB · MS 360 KB
4WSD3/1CRPaper 1CTimezone R
IGCSE science-double-award 4XSD1 · QP 424 KB · MS 385 KB