Other questions in this quiz

2. What is used to extract titanium?

  • Magnesium or Sodium
  • Chlorine and carbon, fractional distillation then magnesium or sodium
  • Hydrogen then fractional distillation then magnesium
  • Carbon

3. How the melting point of Aluminium Oxide is reduced?

  • Dissolving Aluminium oxide in molten cryolite
  • Dissolving it in water
  • Reducing it with carbon
  • Melting it

4. Name 3 metals extracted from their ores by reduction by Carbon

  • Titanium, Aluminium and copper
  • Iron, manganese and copper
  • Titanium, Tungsten and Aluminium
  • Copper, Iron, Aluminium

5. Disadvantage of using carbon to extract iron, copper and manganese

  • Time consuming
  • Produces CO2 which is a greenhouse gas
  • Very expensive
  • Gives metals impurities

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