ChemHLP3may04ans - INTERNATIONAL BACCALAURAT BACHILLERATO c...

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MARKSCHEME May 2004 CHEMISTRY Higher Level Paper 3 17 pages M04/420/H(3)M+ INTERNATIONAL BACCALAUREATE BACCALAURÉAT INTERNATIONAL BACHILLERATO INTERNACIONAL c
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This mark scheme 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 – M04/420/H(3)M+
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General Marking Instructions This is the ONLY markscheme released for this session . 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. 1. Follow the markscheme provided, do not use decimals or fractions and mark 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. This is useful 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. Do not circle subtotals. Circle the total mark for the question in the right-hand margin opposite the last line of the answer. 6. Where an answer to a part question is worth no marks, put a zero in the right-hand margin. 7. For each Option: Add the totals for each question in the Option and write it in the Examiner column on the cover sheet. Total: Add the marks awarded and enter this in the box marked TOTAL in the Examiner column. 8. After entering the marks on the cover sheet, check your addition to ensure that you have not made an error. Check also that you have transferred the marks correctly to the cover sheet. We have script checking and a note of all clerical errors may be given in feedback to examiners. 9. Every page and every question must have an indication that you have marked it. Do this by writing your initials on each page where you have made no other mark. 10. If a candidate has attempted more than the required number of Options within the paper, mark only the required number of Options in the order in which they are presented in the paper, unless the candidate has indicated the Options s/he wants to be marked, on the cover sheet . 11. A candidate can be penalized if s/he clearly contradicts him/herself within an answer. – 3 – M04/420/H(3)M+
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Subject Details: Chemistry HL Paper 3 Markscheme General y Each marking point is usually shown on a separate line or lines.
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ChemHLP3may04ans - INTERNATIONAL BACCALAURAT BACHILLERATO c...

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