Other questions in this quiz

2. The Equation at the anode of Aluminium Extraction

  • 2O2- → O2 + 4e-
  • 2O2- → O2 + 2e-
  • 3O2- → O2 +4e-
  • Al3+ + 3e- → Al

3. How is extracted Tungsten from its Ore?

  • Electrolysis
  • Reduction of Oxygen
  • Reduction by Hydrogen
  • Reduction by Carbon

4. Equation at the Cathode

  • Al2+ + 2e- → Al
  • Al3+ + 2e- → Al
  • Al3+ + 3e- → Al
  • 2O2- → O2 + 4e-

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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