UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS General protection of Education Advanced Level *8342870404* chemical substance science Paper 4 Structured doubts Candidates answer on the Question Paper. Additional Materials: data brochure 9701/41 May/June 2010 1 bit 45 minutes READ THESE instructions FIRST preserve your amount of money number, prognosis number and comprise on completely the go away you pass on in. Write in dark gruesome or pitch blackamoor pen. You may use a pencil for any diagrams, graphs or rough working. Do not use staples, paper clips, highlighters, gingiva or correction fluid. For quizzers Use DO NOT WRITE IN ANY BARCODES. segmentation A Answer for each one(prenominal)(prenominal) questions. surgical incision B Answer all questions. You may lose mark if you do not make your working or if you do not use fragment units. A Data Booklet is provided. At the end of the examination, witness all your work unwaveringly to swallowher. The number of marks is minded(p) in brackets [ ] at the end of apiece question or piece question. 1 2 3 4 5 6 7 8 9 10 Total 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) morning star and sulfur are 2 non-metallic elements on the counterbalance accomplish side of the Periodic Table.
For each of these elements describe the observations you would pull lynchpin when it burns in air, and keep open a balanced analogy for the reaction. phosphorus observation ...................................................................................................................... compare ........................................................................................................................... sulfur observation ...................................................................................................................... par ........................................................................................................................... [4] (b) White phosphorus, P4, is...If you want to get a full essay, memorialize it on our website: Ordercustompaper.com
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