A series of multiple choice questions to revise for GCSE Chemistry Unit 1 with the Edxl Exam board. It closely matches the specification provided by the exam board. Questions have been selected by a science teacher with 20 years teaching experience. Working through the questions a few times will help you remember key facts and improve your grade as there are answer notes with each question. Additional features will be added and versions for Biology, Physics and all Unit 2 and Unit3 exams will be available soon.