The reaction 2ZnS+3O2→2ZnO+2SO2 in the metallurgical process of zinc is called

The reaction 2ZnS+3O22ZnO+2SO2 in the metallurgical process of zinc is called

  1. A

    Calcination

  2. B

    Cupellation

  3. C

    Smelting

  4. D

    Roasting

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    Solution:

    Roasting (Sulphide ore is heated in excess of air). 

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