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Cambridge IGCSE Combined Science practice

Which metal is most difficult to extract from its ore?

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Show answerExtraction of metals revisionRevise the key idea

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MCQ

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cambridge_mcq

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Topic

Extraction of metals

Exam-style question

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Which metal is most difficult to extract from its ore?.

  1. A.Gold
  2. B.Copper
  3. C.Sodium
  4. D.Iron

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Paper 3 structured question: Extraction of metals

Paper 3Theory (Core)3 marks

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]