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Tools designed specifically for the Cambridge O Level Chemistry syllabus, to help you ace your exams, including: past papers, revision notes, and exam-style questions, created by our expert team of teachers and examiners Jan 19, 2024 · With nearly 10 years of teaching experience, Alex has had several roles including Chemistry/Science Teacher, Head of Science and Examiner for AQA and Edexcel. at o’level academy you can find all material (notes, video lessons, guides, past papers, quizzes) related to various subjects to help you prepare for your exams without any bumps and glitches. Evidence for particle movement in gases and liquids is discussed, as well as diffusion and how the rate of diffusion depends on molecular mass. Feb 17, 2016 · Free O Level Chemistry Revision Notes that will help you in revising for your exams. 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