Edexcel · IGCSE Chemistry · 4CH1

Edexcel IGCSE Chemistry 4CH1 Paper 1 Past Paper — Summer 2025

This is Paper 1 from the Summer 2025 series of Edexcel IGCSE Chemistry (4CH1). Paper 1, in the standard version (1C) and, in most series, the alternative version (1CR). Each version allows 2 hours and is marked out of 110, as printed on the cover. Open the question paper and its mark scheme below, work through it under timed conditions, then mark your own answers line by line.

Past paper content © Pearson Education Ltd. The official specification and the latest papers are on the International GCSE Chemistry (4CH1) specification. If a file above says it isn’t in the collection yet, it simply hasn’t been added.