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Which Reducing Agent is Employed to Get Copper from the Leached Low-grade Copper Ore? - Chemistry

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Which reducing agent is employed to get copper from the leached low-grade copper ore?

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Solution

Copper can be obtained from low-grade ore through the process of leaching using acid or bacteria (leaching is a process in which ore is treated with suitable reagent that dissolves ore but not the impurities).

The solution containing copper can be reduced with the help of reducing agents such as scrap iron or H2 to get copper metal.
  Cu2+(aq) + Fe →Cu(s) + Fe2+(aq)
  Cu2(aq) + H2 (g) →Cu(s) + 2 H+(aq)

Concept: Types of Separation or Concentration of an Ore - Leaching
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