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Learning objective

Recognize that bauxite is the primary ore of aluminium and that aluminium is extracted using electrolysis.

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Cambridge IGCSE Combined ScienceMetalsCore content

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Recognize that bauxite is the primary ore of aluminium and that aluminium is extracted using electrolysis

  • This point belongs to Extraction of metals, especially Extraction of metals outcomes.
  • You need to be able to recognize that bauxite is the primary ore of aluminium and that aluminium is extracted using electrolysis.
  • The key ideas to know are State.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

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Paper 3 structured question: Extraction of metals

Paper 3Theory (Core)2 marks

Description

Aluminium Extraction Process

Aluminium is extracted from bauxite using electrolysis. The process involves melting aluminium oxide and adding cryolite to reduce the melting point.

  1. a

    Explain the role of cryolite in the extraction of aluminium from bauxite.

    Aim for approximately 2 distinct marking points.

    [2]
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