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NTA Abhyas JEE Main2020ChemistryGeneral Principles and Processes of Isolation of MetalsPractice

How many of these metals carbon reduction is used during their extraction. Ag, Au, Fe, Sn, Zn, Pb, Al

Correct answer

4

Step-by-step solution

Carbon reduction method is used in the extraction of Fe, Sn, Zn and Pb here.

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