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Version 2.0 Copyright © AQA and its licensors. All rights reserved. C1.3.2 Alloys

Using Exam pro items to support successful outcomes Version 2.0 Copyright © AQA and its licensors. All rights reserved. Learners will be able to test their progress against learning outcomes using questions fro past AQA GCSE examinations C1.3.2

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 Version 2.0 Copyright © AQA and its licensors. All rights reserved. QAnswerExtra InformationMark 1 (a) Aluminium has a low density Aluminium is resistant to corrosion (b)(i)(an alloy) is a mixture of metalsAccept (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

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.

Mark scheme- Higher Version 2.0 Copyright © AQA and its licensors. All rights reserved. QAnswerExtra InformationMark 1 (a)(i)ReductionAccept redox/smelting 1 1 (a)(ii) (b)(i)55Ignore other units 1 1 (b)(ii)waterAccept sodium hydroxide Accept correct formulae H 2 O 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

Mark scheme- Higher continued Version 2.0 Copyright © AQA and its licensors. All rights reserved. QAnswerExtra InformationMark 1cEnvironmental 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 Allow loss of habitat/less qualified noise pollution Allow less red mud/waste 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 1111 Total 7