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NEET2013ChemistryGeneral Principles and Processes of Isolation of MetalsActual

The metal oxide which cannot be reduced to metal by carbon is:

Options

  1. AAl ₂ O ₃
  2. BPbO
  3. CZnO
  4. DFe ₂ O ₃

Correct answer

A. Al ₂ O ₃

Step-by-step solution

Oxides of reactive metals like Aluminium can be reduced by the electrolytic method.

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