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Cambridge IGCSE Chemistry practice

Paper 3 structured question: Extraction of metals

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Extraction of metals

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Paper 3Theory (Core)3 marks

Understanding metal extraction methods is essential for chemistry students.

Description

Metal Extraction Methods

Different metals require different methods for extraction based on their reactivity. For example, iron can be extracted using carbon, while gold can be extracted using simple panning.

  1. a

    Describe the extraction method for iron and why it is used.

    Aim for approximately 3 distinct marking points.

    [3]

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Paper 3 structured question: Extraction of metals

Paper 3Theory (Core)1 marks

Description

Reactivity Series and Metal Extraction

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

    State the method used to extract sodium from its ore.

    Aim for approximately 1 distinct marking point.

    [1]