What are the common ores of copper and zinc?

  • A
    Copper: $CuFeS_2$ (Chalcopyrite),$Cu_2S$ (Chalcocite); Zinc: $ZnS$ (Zinc blende),$ZnO$ (Zincite)
  • B
    Copper: $Cu_2O$ (Cuprite),$CuCO_3 \cdot Cu(OH)_2$ (Malachite); Zinc: $ZnCO_3$ (Calamine),$ZnS$ (Zinc blende)
  • C
    Copper: $CuFeS_2$ (Chalcopyrite),$Cu_2S$ (Chalcocite); Zinc: $ZnS$ (Zinc blende),$ZnCO_3$ (Calamine)
  • D
    Copper: $Cu_2S$ (Chalcocite),$Cu_2O$ (Cuprite); Zinc: $ZnO$ (Zincite),$ZnCO_3$ (Calamine)

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