Question

How is zinc extracted from its ore

Answer 1

Carbonate ores are converted into metal oxides by strong heating in a limited supply of air. This process is known as calcination. Zinc oxide is formed in this reaction which is further reduced to obtain Zn.
ZnCO3→ZnO+CO2

Ex
https://blog.byjus.com/extraction-of-zinc/
it will be in hte form zns and znco2

so

ZnS+o2=zno+so2

zno heated=zn+o2

znco2 heated= zno+co2

zno heated=zn+o2