In the conversion of zinc ore to zinc metal, the process of roasting involes

Name one ore of zinc.

An important ore of zinc metal is:

The main ore of zinc is:

Roasting of an ore of a metal usually results in the conversion of the metal sulphide into oxide. Why does the roasting of cinnabar (HgS), produce metallic mercury and not its oxide ?

Calamine ore can be converted into zinc oxide by the process of:

In the metallurgy of zinc , the zinc dust obtained from roasting and reduction of zinc sulphide contained some ZnO. It is removed by :