Extracting metals

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 A metal ore is a rock containing a metal,

  • The method used to extract metals from the ore in which they are found depends on their reactivity. 

Reactivity and extraction method

Metals - in decreasing order of reactivityReactivity

  • potassium
  • sodium
  • calcium
  • magnesium
  • aluminium

extract by electrolysis carbon

  • zinc
  • iron
  • tin
  • lead

extract by carbon extraction hydrogen

  • copper
  • silver
  • gold
  • platinum

extracted by various chemical reactions


  • Copper is purified by electrolysis.
  • Electricity is passed through solutions containing copper compounds, such


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