AQA-CH3HP-QP-JUN14 - Centre Number For Examiners Use Candidate Number Surname Other Names Examiners Initials Candidate Signature Question Mark General

AQA-CH3HP-QP-JUN14 - Centre Number For Examiners Use...

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CH3HP G/KL/98983/Jun14/E6 (Jun14CH3HP01) General Certificate of Secondary Education Higher Tier June 2014 Chemistry CH3HP Unit Chemistry C3 Thursday 15 May 2014 9.00 am to 10.00 am 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 2(b)(ii) 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. 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 H A
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2 Do not write outside the box (02) G/Jun14/CH3HP Answer all questions in the spaces provided. 1 Water in Britain is taken from reservoirs to use as drinking water. Figure 1 1 (a) What are the two main steps used to treat water from reservoirs? Give one reason for each step. [4 marks] ............................................................................................................................................ ............................................................................................................................................ ............................................................................................................................................ ............................................................................................................................................ ............................................................................................................................................ ............................................................................................................................................ ............................................................................................................................................ ............................................................................................................................................ ............................................................................................................................................ ............................................................................................................................................
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3 Do not write outside the box (03) G/Jun14/CH3HP Turn over 1 (b) Some people use water filters to treat water before drinking it. 1 (b) (i)Water filters remove hardness from hard water.What is in water filters that removes hardness from water?
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(04) G/Jun14/CH3HP 2 (a) The structure of an alcohol is shown in Figure 2 . Figure 2 H H HH C HCOH 2 (a) (i) Draw a circle around the functional group in the structure of the alcohol.
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