This page gives you the Pearson Edexcel International A-Level Chemistry Unit 3 paper, 2020 October from the OCTOBER 2020 examination series. You can read the question paper and its official mark scheme for free, work through it like the real exam, and check your answers question by question.
Chemistry Unit 3 is part of the Pearson Edexcel International A-Level qualification. Practising with real past papers like this 2020 October paper is one of the most effective ways to prepare. It shows you the exact style, difficulty and topic spread the examiners use, so there are no surprises on exam day.
Try the 2020 October paper under timed conditions first, without looking at the answers. When you finish, open the mark scheme to grade yourself honestly and note every mark you missed. Then revisit the topics where you lost marks before attempting another paper from this unit.