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Download mark sc h eme. They’re specifically written for the AQA GCSE chemistry syllabus. This notice is to alert you to the injunction, so that you are aware of it and can make submissions 2 Two equations for the combustion of butane are: • 24CH10 + 13 2O2 → 8 CO 2 + 10 H O • 24CH10 + 52O → 8 C + 10 2H O Why are different products formed? [1 mark] 0 7 . [1 mark] C 4H 10 + O 2 → CO + H2O • the typical answer or answers which are expected • extra information to help the Examiner make his or her judgement • the Assessment Objectives, level of demand and specification content that each question is intended to cover. GCSE science exams from summer 2018 Version 2. Drama. 4 Any wording that is underlined is essential for the marking point to be This answer will have been awarded a mark by the Lead Examiner. • The marks for questions are shown in brackets. Paper 2 Biology – Foundation (8461/2F) Download Paper – Download Mark Scheme. 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