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What chemical process is used for obtaining a metal from its oxide?
 
The is used for obtaining a metal from its oxide.
 
For example,
 
\(ZnO(s)+C(s)→ Zn(s)+CO(g)\)
 
In this process, zinc oxide is  to metallic zinc by heating with carbon.
Besides carbon, highly reactive metals like , etc., are used as reducing agents. These displace metals of low reactivity from their oxides.