Give reasons: Carbonate and sulphide ores are usually converted into oxides during the process of extraction.

  • A
    Oxides are more stable than carbonates and sulphides.
  • B
    Metals can be easily extracted from their oxides rather than from their carbonates and sulphides.
  • C
    Carbonates and sulphides are highly reactive.
  • D
    Oxides are easier to transport.

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