GCSE Science Chemistry Nov 2008 1B Paper Ans Key

Version 1:0: 06/01/09 abc GCSE Science A (4461) Specification A CHY1BP, CH1BSF & CH1BSH Mark Scheme 2008 Examination November Series This component is an objective test for which the following list indicates the correct answers used in marking the candidatesresponses. Further copies of this Mark Scheme are available to download from the AQA Website: www.aqa.org.uk Copyright © 2008 AQA and its licensors. All rights reserved. COPYRIGHT AQA retains the copyright on all its publications. However, registered centres for AQA are permitted to copy material from this booklet for their own internal use, with the following important exception: AQA cannot give permission to centres to photocopy any material that is acknowledged to a third party even for internal use within the centre. Set and published by the Assessment and Qualifications Alliance. The Assessment and Qualifications Alliance (AQA) is a company limited by guarantee registered in England and Wales (company number 3644723) and a registered charity (registered charity number 1073334). Registered address: AQA, Devas Street, Manchester M15 6EX Dr Michael Cresswell Director GeneralGCSE SCIENCE A (4461)/CHEMISTRY (4421) Objective Test Answer Key CHY1B (Oils, Earth and Atmosphere) Foundation Tier Question Key One A combustion 2 B condensation 1 C cracking 3 D hardening 4 Two A Corn 3 B Olive 2 C Rapeseed 4 D Sunflower 1 Three A argon 1 B bromine 3 C ethanol 2 D nickel 4 Four A crushed 1 B pressed 3 C separated 4 D stirred 2 Five A carbon dioxide 3 B helium 1 C nitrogen 2 D oxygen 4 A B C D Six 4 3 1 2 Seven 3 2 1 4 Eight 2 1 2 2 Nine 3 4 2 1 GCSE SCIENCE A (4461)/CHEMISTRY (4421) Objective Test Answer Key CHY1B (Oils, Earth and Atmosphere) Higher Tier Question Key One A carbon dioxide 3 B helium 1 C nitrogen 2 D oxygen 4 Two A bag for frozen food 1 B memory polymer 4 C hydrogels in plant pots 2 D dental fillings 3 A B C D Three 2 1 2 2 Four 3 4 2 1 Five 1 4 4 2 Six 2 3 2 1 Seven 4 3 3 4 Eight 1 3 2 3 Nine 4 4 1 3