Extraction of Metals
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- Created by: Ciara Ryan
- Created on: 06-04-15 20:35
Other questions in this quiz
2. Equation at the Cathode
- Al3+ + 3e- → Al
- 2O2- → O2 + 4e-
- Al2+ + 2e- → Al
- Al3+ + 2e- → Al
3. Disadvantages of using hydrogen to extract tungsten
- Takes a long time
- Gives tungsten impurities
- Very expensive and Hydrogen is highly expolsive
- Produces CO2 which is a greenhouse gas
4. Name 3 metals extracted from their ores by reduction by Carbon
- Iron, manganese and copper
- Titanium, Aluminium and copper
- Copper, Iron, Aluminium
- Titanium, Tungsten and Aluminium
5. 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
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