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Cambridge IGCSE Combined Science practice

Paper 3 structured question: Extraction of metals

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Extraction of metals

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Paper 3Theory (Core)3 marks

Extraction of metals from ores is a significant process in metallurgy.

Description

Reactivity Series

The reactivity series ranks metals from most reactive to least reactive. Metals like potassium and sodium are at the top, while gold and platinum are at the bottom.

  1. a

    Explain how the position of a metal in the reactivity series affects its extraction from ores.

    Aim for approximately 3 distinct marking points.

    [3]

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Paper 3 structured question: Extraction of metals

Paper 3Theory (Core)3 marks

Description

Metal Extraction Methods

Different metals require different methods for extraction based on their reactivity. For example, reactive metals like sodium require electrolysis, while less reactive metals like copper can be extracted using carbon.

  1. a

    Discuss the implications of using different extraction methods for reactive and less reactive metals.

    Aim for approximately 3 distinct marking points.

    [3]