ChemistryHLP2may03ans - INTERNATIONAL BACCALAURAT...

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MARKSCHEME May 2003 CHEMISTRY Higher Level Paper 2 18 pages M03/420/H(2)M+ INTERNATIONAL BACCALAUREATE BACCALAURÉAT INTERNATIONAL BACHILLERATO INTERNACIONAL c
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This markscheme is confidential and for the exclusive use of examiners in this examination session. It is the property of the International Baccalaureate and must not be reproduced or distributed to any other person without the authorisation of IBCA. – 2 – M03/420/H(2)M+
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General Marking Instructions After marking a sufficient number of scripts to become familiar with the markscheme and candidates’ responses to all or the majority of questions, Assistant Examiners (AEs) will be contacted by their Team Leader (TL) by telephone. The purpose of this contact is to discuss the standard of marking, the interpretation of the markscheme and any difficulties with particular questions. It may be necessary to review your initial marking after contacting your TL. DO NOT BEGIN THE FINAL MARKING OF YOUR SCRIPTS IN RED INK UNTIL YOU RECEIVE NOTIFICATION THAT THE MARKSCHEME IS FINALISED. You will be informed by e-mail, fax or post of modifications to the markscheme and should receive these about one week after the date of the examination. If you have not received them within 10 days you should contact your Team Leader by telephone. Make an allowance for any difference in time zone before calling. AEs WHO DO NOT COMPLY WITH THESE INSTRUCTIONS MAY NOT BE INVITED TO MARK IN FUTURE SESSIONS. You should contact the TL whose name appears on your ‘Allocation of Schools listing’ sheet. Note: Please use a personal courier service when sending sample materials to TLs unless postal services can be guaranteed. Record the costs on your examiner claim form. If you have any queries on administration please contact immediately: Chris Guinee Examinations Administration Department (EAD) IBCA Peterson House Malthouse Avenue Cardiff Gate Cardiff CF23 8GL GREAT BRITAIN Tel: +44 29 20547769 Fax: +44 29 20547778 E-mail: chrisg@ibo.org – 3 – M03/420/H(2)M+
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1. Follow the markscheme provided, do not use decimals or fractions and mark only in RED . 2. Where a mark is awarded, a tick ( 9 ) should be placed in the text at the precise point where it becomes clear that the candidate deserves the mark. 3. Sometimes, careful consideration is required to decide whether or not to award a mark. In these cases write a brief annotation in the left hand margin to explain your decision. You are encouraged to write comments where it helps clarity, especially for moderation and re-marking. 4. Unexplained symbols or personal codes/notations on their own are unacceptable. 5. Record subtotals (where applicable) in the right-hand margin against the part of the answer to which they refer (next to the mark allocation for Section A). Do not circle sub-totals. Circle the total mark for the question in the right-hand margin opposite the last line of the answer.
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ChemistryHLP2may03ans - INTERNATIONAL BACCALAURAT...

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