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NTA Abhyas NEET2020ChemistryGeneral Principles and Processes of Isolation of MetalsPractice

Polling process is used for

Options

  1. AThe removal of Cu 2 O from C u
  2. BThe removal of A l 2 O 3 from A l
  3. CThe removal of F e 2 O 3 from F e
  4. DAll of these

Correct answer

A. The removal of Cu 2 O from C u

Step-by-step solution

When impure metal has impurity of its own metal oxide, then poling process is used, i.g., impure C u and S n are purified by this method.

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