Metal Extraction Quiz
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Questions and Answers

Which process involves the removal of metals from their ores?

  • Filtration
  • Reduction (correct)
  • Oxidation
  • Evaporation

    • What is the main purpose of using a flux in metal extraction?

  • To remove impurities from the metal
  • To decrease the melting point of the metal (correct)
  • To increase the hardness of the metal
  • To increase the melting point of the metal

    • Which type of furnace is commonly used for the extraction of iron from its ore?

  • Blast furnace (correct)
  • Reverberatory furnace
  • Electric arc furnace
  • Induction furnace

    • What is the primary compound found in bauxite during the purification process?

    <p>Aluminum oxide</p> Signup and view all the answers

    Which chemical process is used to extract alumina from bauxite?

    <p>Bayer process</p> Signup and view all the answers

    What is the byproduct of the extraction of alumina from bauxite using the Bayer process?

    <p>Red mud</p> Signup and view all the answers

    During the extraction of metals, which stage involves the reduction of metal oxides using carbon or carbon monoxide?

    <p>Smelting</p> Signup and view all the answers

    In the extraction of metals, what is the purpose of roasting in the initial stage of processing metal ores?

    <p>To convert metal sulfides to metal oxides</p> Signup and view all the answers

    What is the purpose of using a flux in the extraction of metals?

    <p>To remove impurities and form a slag</p> Signup and view all the answers

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