AQA-CH3HP-QP-JUN13 - Centre Number For Examiners Use Candidate Number Surname Other Names Examiners Initials Candidate Signature Question General

AQA-CH3HP-QP-JUN13 - Centre Number For Examiners Use...

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General Certificate of Secondary Education Higher Tier June 2013 Chemistry CH3HP Unit Chemistry C3 Written Paper Monday 20 May 2013 1.30 pm to 2.30 pm For this paper you must have: a ruler the Chemistry Data Sheet (enclosed). You may use a calculator. Time allowed 1 hour Instructions Use black ink or black ball-point pen. Fill in the boxes at the top of this page. Answer all questions. You must answer the questions in the spaces provided. Do not write outside the box around each page or on blank pages. Do all rough work in this book. Cross through any work you do not want to be marked. Information The marks for questions are shown in brackets. The maximum mark for this paper is 60. You are expected to use a calculator where appropriate. You are reminded of the need for good English and clear presentation in your answers. Question 3 should be answered in continuous prose. In this question you will be marked on your ability to: – use good English – organise information clearly – use specialist vocabulary where appropriate. Advice In all calculations, show clearly how you work out your answer. CH3HP H (Jun13CH3HP01) G/K93725 6/6/6/6/6 Centre Number Candidate Number Surname Other Names Candidate Signature For Examiner’s Use Examiner’s Initials Question Mark 1 2 3 4 5 6 7 TOTAL
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2 (02) G/K93725/Jun13/CH3HP Do not write outside the box There are no questions printed on this page DO NOT WRITE ON THIS PAGE ANSWER IN THE SPACES PROVIDED
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3 Do not write outside the box (03) G/K93725/Jun13/CH3HP Turn over Answer all questions in the spaces provided. 1 Lithium is in Group 1 of the periodic table. Lithium reacts with water to produce a gas and an alkaline solution. Lithium Bubbles of gas Water 1 (a) (i) Name the gas produced.............................................................................................................................................
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(04) G/K93725/Jun13/CH3HP 2 This question is about organic compounds. 2 (a) Wine contains ethanol (CH 3 CH 2 OH). 2 (a) (i) Complete the displayed structure of ethanol. H C H H (1 mark) 2 (a) (ii) Wine left in a glass for several days turns sour. The sour taste is caused by ethanoic acid. Complete the sentences. The ethanoic acid is produced from a reaction between ethanol and ................................................... .
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