Chemistry SL Paper 2 TZ1 Markscheme 2
M12/4/CHEMI/SP2/ENG/TZ1/XX/M
MARKSCHEME
May 2012
CHEMISTRY
Standard Level
Paper 2
13 pages
–2–
M12/4/CHEMI/SP2/ENG/TZ1/XX/M
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 authorization of IB Cardiff.
–3–
M12/4/CHEMI/SP2/ENG/TZ1/XX/M
General Marking Instructions
Assistant Examiners (AEs) will be contacted by their team leader (TL) through Scoris™, by e-mail or telephone – if through Scoris™ or by e-mail, please reply to confirm that you have downloaded the markscheme from IBIS. The purpose of this initial contact is to allow AEs to raise any queries they have regarding the markscheme and its interpretation. AEs should contact their team leader through Scoris™ or by e-mail at any time if they have any problems/queries regarding marking.
For any queries regarding the use of Scoris™, please contact emarking@ibo.org.
If you have any queries on administration please contact:
Rachel Bengough
Subject Operations
IB Assessment Centre
Peterson House
Malthouse Avenue
Cardiff Gate
Cardiff CF23 8GL
GREAT BRITAIN
Tel: +(44) 29 2054 7777
Fax: +(44) 29 2054 7778
E-mail: rachel.bengough@ibo.org
–4–
M12/4/CHEMI/SP2/ENG/TZ1/XX/M
1.
Follow the markscheme provided, award only whole marks and mark only in RED.
2.
Make sure that the question you are about to mark is highlighted in the mark panel on the right-hand side of the screen.
3.
Where a mark is awarded, a tick/check () must be placed in the text at the precise point where it becomes clear that the candidate deserves the mark. One tick to be shown for each mark awarded.
4.
Sometimes, careful consideration is required to decide whether or not to award a mark. In these cases use Scoris™ annotations to support your decision. You are encouraged to write comments where it helps clarity, especially for re-marking purposes. Use a text
MARKSCHEME
May 2012
CHEMISTRY
Standard Level
Paper 2
13 pages
–2–
M12/4/CHEMI/SP2/ENG/TZ1/XX/M
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 authorization of IB Cardiff.
–3–
M12/4/CHEMI/SP2/ENG/TZ1/XX/M
General Marking Instructions
Assistant Examiners (AEs) will be contacted by their team leader (TL) through Scoris™, by e-mail or telephone – if through Scoris™ or by e-mail, please reply to confirm that you have downloaded the markscheme from IBIS. The purpose of this initial contact is to allow AEs to raise any queries they have regarding the markscheme and its interpretation. AEs should contact their team leader through Scoris™ or by e-mail at any time if they have any problems/queries regarding marking.
For any queries regarding the use of Scoris™, please contact emarking@ibo.org.
If you have any queries on administration please contact:
Rachel Bengough
Subject Operations
IB Assessment Centre
Peterson House
Malthouse Avenue
Cardiff Gate
Cardiff CF23 8GL
GREAT BRITAIN
Tel: +(44) 29 2054 7777
Fax: +(44) 29 2054 7778
E-mail: rachel.bengough@ibo.org
–4–
M12/4/CHEMI/SP2/ENG/TZ1/XX/M
1.
Follow the markscheme provided, award only whole marks and mark only in RED.
2.
Make sure that the question you are about to mark is highlighted in the mark panel on the right-hand side of the screen.
3.
Where a mark is awarded, a tick/check () must be placed in the text at the precise point where it becomes clear that the candidate deserves the mark. One tick to be shown for each mark awarded.
4.
Sometimes, careful consideration is required to decide whether or not to award a mark. In these cases use Scoris™ annotations to support your decision. You are encouraged to write comments where it helps clarity, especially for re-marking purposes. Use a text