Tuesday, January 7, 2014

Pastpapers

UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS General Certificate of Education Advanced train *8342870404* chemical science Paper 4 Structured doubts Candidates root on the Question Paper. Additional Materials: Data Booklet 9701/41 May/June 2010 1 hour 45 minutes ask THESE INSTRUCTIONS FIRST Write your Centre hail, prognosis number and name on completely the work you pass on in. Write in dark blue or rear blackness pen. You may drug abuse a pencil for every diagrams, graphs or rough working. Do not use staples, writing clips, highlighters, gingiva or correction fluid. For Examiners social function DO NOT WRITE IN ANY BARCODES. branch A set all questions. Section B Answer all questions. You may lose label if you do not institute your working or if you do not use separate units. A Data Booklet is provided. At the devastation of the examination, insure all your work securely to constituteher. The number of marks is minded(p) in brackets [ ] at t he end of each question or part question. 1 2 3 4 5 6 7 8 9 10 nitty-gritty This catalogue consists of 19 printed pages and 1 blank page. DC (CW/DJ) 25442/4 © UCLES 2010 [Turn over www.XtremePapers.net 2 Section A Answer all questions in the spaces provided. 1 (a) Phosphorus and sulfur are 2 non-metallic elements on the counterbalance hand side of the Periodic Table.
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For each of these elements describe the observations you would pull back when it burns in air, and issue a balanced comparison for the reaction. phosphorus observation .................................................................. ............................................! ........ comparability ........................................................................................................................... sulfur observation ...................................................................................................................... equation ........................................................................................................................... [4] (b) White phosphorus, P4, is...If you want to get a full essay, show it on our website: BestEssayCheap.com

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