metals recycling

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1. why is copper found in tree roots

  • if it was planted on a copper site
  • if it was injected with copper
  • the trees seed thing was covered in copper before it was planted
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2. what are ores

  • rocks that contain enough metal to be economically extracted
  • liquids that contain enough metal to be economically extracted
  • rocks that contain no metal so have to be extracted

3. what type of ore is extracted from a blast furnace

  • carbon
  • limestone
  • iron
  • copper

4. what gets dissolved in bioleaching

  • copper
  • rock
  • bacteria

5. whats the equation for scrap iron

  • copper oxide + iron --> iron oxide + copper
  • iron oxide + copper --> copper oxide + iron

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