write the step involved in extraction of pure metal in the middle of activity series from their carbonate ore
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The carbonate ores are changed into oxides by heating strongly in limited air. This process is called calcination.
heat
ZnCO3(s)----------->ZnO(s)+Co2
The metal oxides are then reduced to the corresponding metals by using suitable reagents such as carbon. For, example, when zinc oxide is heated with carbon, it is reduced to metallic zinc.
ZnO+C→Zn+CO
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