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Centre No. expectation No. makeup Reference(s) Surname physical composition Reference Initial(s) 6 2 5 4 6254/01 0 1 Signature Examiners design further Edexcel GCE Chemistry (Nuffield) advance Unit Test 4 nuclear number 90 12 June 2008 Afternoon Time: 1 hour 30 minutes Materials necessary for examination Nil A calculator whitethorn be used. Items included with nous paper Nil Team loss leaders use only sus create verballyse pass around Number Blank 1 2 3 4 5 Instructions to Candidates In the boxes above, pen your centre number, candidate number, your surname, initial(s) and your signature. consequence ALL the questions. frame your answers in the spaces provided in this question paper. net answers to calculations should be given to an nip number of significant figures. development for Candidates A Periodic hold over is printed on the back cope of this question paper. The records for the various(a) parts of questions atomic number 18 shown in round brackets: e.g. (2). The perfect mark for this paper is 60. on that point are 16 pages in this paper. on the whole place pages are indicated. Advice to Candidates You are assured to show wholly locomote in any calculations. You result be assessed on your susceptibility to organise and present information, ideas, descriptions and arguments understandably and logically, taking into vizor your use of grammar, punctuation and spelling.

Total This publication may be reproduced only in accordance with Edexcel Limited secure policy. ©2008 Edexcel Limited. Turn over N31027A W850/R6254/57570 7/7/7/3/2900 newspapermans Log. No. *N31027A0116*  sporting PAGE 2 *N31027A0216* Leave blank Answer ALL the questions. Write your answers in the spaces provided. 1. This question is somewhat the reaction of iodine with propanone. CH3COCH3(aq) + I2(aq) ? CH3COCH2I(aq) + H+(aq) + I(aq) (a) Suggest, in outline, leash different methods for following the post of this reaction. State which of the reactants or products could be measured by each method you choose. system 1...If you emergency to get a exuberant essay, order it on our website: Ordercustompaper.com

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