Metals and their uses

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  • Created by: Busayoxo
  • Created on: 21-12-15 16:13

1. Why can't aluminium and titanium be extracted from their oxides by reduction with carbon?

  • They are more reactive than carbon
  • It's too expensive
  • There are many stages in the processes
  • Large amounts of energy are needed
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Other questions in this quiz

2. Which of the following is NOT a reason why copper is good for electrical wiring and plumbing?

  • It is cheap
  • It does not react with water
  • It is a good conductor of heat and electricity
  • It can be bent but is hard enough to make pipes or tanks

3. Copper can be extracted from copper-rich ores by heating the ores in a furnace this is also known as?

  • Smelting
  • Phytoming
  • Bioleaching
  • Electrolysis

4. What is a specific property of stainless steels?

  • They are resistant to corrosion
  • They are soft
  • They are hard
  • They are easy to bend

5. Which of the following is NOT a reason why aluminium and titanium are useful metals

  • They are resistant to corrosion
  • They are expensive
  • They have low density

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