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2. Any metal can be extracted from its ore chemically by reduction with carbon?

  • False
  • True

3. What is a metal ore?

  • A rock which contains enough metals which is worth the metal being extracted
  • A rock which contains a mixture of three metals or more
  • A rock with little or no ore
  • A metal block which contains diamonds throughout it

4. What from is the metal normally in?

  • In a mixture on other metals
  • An oxide of the metal
  • Pure in form

5. How are most metals extracted by their ores?

  • Using a chemical reaction
  • Reduction
  • Using heat the thermally decompose it?
  • Electrolysis
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