Other questions in this quiz

2. Why is Titanium not extracted by carbon?

  • It forms titanium Carbide which makes it brittle
  • It's more reactive
  • It's activation energy's too high
  • Its too expensive to use

3. What is used to extract titanium?

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

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

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

5. Disadvantages of using hydrogen to extract tungsten

  • Takes a long time
  • Very expensive and Hydrogen is highly expolsive
  • Produces CO2 which is a greenhouse gas
  • Gives tungsten impurities


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