C1.3.2 Alloys Version 2.0 Copyright © AQA and its licensors. All rights reserved. Using Exam pro items to support successful outcomes • C1.3.2 • Learners will be able to test their progress against learning outcomes using questions fro past AQA GCSE examinations Version 2.0 Copyright © AQA and its licensors. All rights reserved. Foundation Tier C1 June 12, 3 1. Version 2.0 Copyright © AQA and its licensors. All rights reserved. 1 continued Version 2.0 Copyright © AQA and its licensors. All rights reserved. Mark scheme- Foundation Q Answer 1 (a) Aluminium has a low density Aluminium is resistant to corrosion 1 (b)(i) (an alloy) is a mixture of metals Accept (an alloy) can be a metal mixed with another metal or iron mixed with carbon/a non-metal 1 1 (b)(ii) Pure metals are soft Or alloys are hard Allow weak Allow strong/keep their shape Ignore rust/corrosion 1 Total 4 Version 2.0 Extra Information Mark 1 1 Copyright © AQA and its licensors. All rights reserved. Higher Tier, C1 Jan 12, 4 1. Version 2.0 Copyright © AQA and its licensors. All rights reserved. 1 continued Version 2.0 Copyright © AQA and its licensors. All rights reserved. Version 2.0 Copyright © AQA and its licensors. All rights reserved. Version 2.0 Copyright © AQA and its licensors. All rights reserved. Version 2.0 Copyright © AQA and its licensors. All rights reserved. Mark scheme- Higher Q Answer Extra Information Mark 1 (a)(i) Reduction Accept redox/smelting 1 1 (a)(ii) 3 4 3 1 (b)(i) 55 Ignore other units 1 1 (b)(ii) water Accept sodium hydroxide Accept correct formulae H2O or NaOH 1 1 (b)(iii) Any one from Save energy/fuel for transporting the ore (old) quarries nearby for waste/red mud Accept less (cost of) transport allow transport quickly Version 2.0 1 Copyright © AQA and its licensors. All rights reserved. Mark scheme- Higher continued Q Answer Extra Information 1c Environmental Any one from • Less mining/quarrying (of bauxite) • Less landfill space needed/used • Less use of fossil fuels/energy • Less carbon dioxide produced Ethical or Social Any one from • Saves resources • Creates (local) employment • More people aware of the need to recycle 1 Allow loss of habitat/less qualified noise pollution Allow less red mud/waste 1 Allow using resources more than once If answers reversed and both correct award one mark Allow less qualifies noise pollution if not given in environmental Total Version 2.0 Copyright © AQA and its licensors. All rights reserved. Mark 7