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Cambridge IGCSE Combined Science practice

Paper 6 structured question: Extraction of metals

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6

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3

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Topic

Extraction of metals

Exam-style question

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Paper 6Alternative to PracticalPractical3 marks

Extraction of iron from hematite in a blast furnace.

Method

Method for Extracting Iron

Describe the method used to extract iron from hematite in a blast furnace, focusing on the variables involved.

  1. a

    Describe the variables that must be controlled during the extraction process.

    Aim for approximately 3 distinct marking points.

    [3]

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Paper 6 structured question: Extraction of metals

Paper 6Alternative to PracticalPractical2 marks

Results Table

Results of Iron Extraction

A table showing the amount of iron produced at different temperatures.

Temperature (°C)Amount of Iron Produced (kg)
120050
140070
160090
1800110
  1. a

    Calculate the average amount of iron produced at temperatures above 1400°C.

    Aim for approximately 2 distinct marking points.

    [2]