In the metallurgical extraction of copper,the following reaction is used:
$FeO + SiO_{2} \rightarrow FeSiO_{3}$
$FeO$ and $FeSiO_{3}$ respectively are:

  • A
    gangue and flux
  • B
    flux and slag
  • C
    slag and flux
  • D
    gangue and slag

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During the electrolytic reduction of alumina,the reaction at the cathode is:

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The chemical that is added to reduce the melting point of the reaction mixture during the extraction of aluminium is

Which of the following reactions takes place during the smelting process?

Which statement is correct regarding the slag formed during the extraction of copper or iron?

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