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Methods of Ore Concentration
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What is the process of leaching in case of low grade copper ores?
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A
Leaching is carried out with acids in presence of $O _2$
💡 Explanation:
Leaching of low grade copper ores is carried out with acid or bacteria, when copper goes into solution as $Cu^{2+} _{(aq) }+ H _{2(g)}\rightarrow Cu _{(s)}+2H^+ _{(aq)}$