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  GCE Oxford Cambridge and RSA Examinations 3882/7882/MS/R/06  Mark Schemes for the Units June 2006  Advanced Subsidiary GCE  AS 3882   Advanced GCE  A2   7882   Chemistry Downloaded from http://www.thepaperbank.co.uk   OCR (Oxford, Cambridge and RSA Examinations) is a unitary awarding body, established by the University of Cambridge Local Examinations Syndicate and the RSA Examinations Board in January 1998. OCR provides a full range of GCSE, A level, GNVQ, Key Skills and other qualifications for schools and colleges in the United Kingdom, including those previously provided by MEG and OCEAC. It is also responsible for developing new syllabuses to meet national requirements and the needs of students and teachers. This mark scheme is published as an aid to teachers and students, to indicate the requirements of the examination. It shows the basis on which marks were awarded by Examiners. It does not indicate the details of the discussions which took place at an Examiners’ meeting before marking commenced.  All Examiners are instructed that alternative correct answers and unexpected approaches in candidates’ scripts must be given marks that fairly reflect the relevant knowledge and skills demonstrated. Mark schemes should be read in conjunction with the published question papers and the Report on the Examination. OCR will not enter into any discussion or correspondence in connection with this mark scheme. © OCR 2006  Any enquiries about publications should be addressed to: OCR Publications PO Box 5050  Annersley NOTTINGHAM NG15 0DL Telephone: 0870 870 6622 Facsimile: 0870 870 6621 E-mail: publications@ocr.org.uk Downloaded from http://www.thepaperbank.co.uk  CONTENTS  Advanced GCE Chemistry (7882)  Advanced Subsidiary GCE Chemistry (3882) MARK SCHEME ON THE UNITS Unit Content Page 2811 Foundation Chemistry 1 2812 Chains and Rings 7 2813/01 How Far? How Fast? 13 2813/03 How Far? How Fast? (Practical Examination) 19 2814 Chain, Rings and Spectroscopy 27 2815/01 Trend and Patterns 35 2815/02 Biochemistry 41 2815/03 Environmental Chemistry 47 2815/04 Methods of Analysis and Detection 53 2815/05 Gases, Liquids and Solids 59 2815/06 Transition Elements 65 2816/01 Unifying Concepts in Chemistry 71 2816/03 Unifying Concepts in Chemistry (Practical Examination) 77 * Grade Thresholds 83 Downloaded from http://www.thepaperbank.co.uk  Downloaded from http://www.thepaperbank.co.uk
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