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Zinc-copper couple that can be used as a reducing agent is obtained by
A. welding `Zn` and `Cu` wires together
B. coating copper with `Zn`
C. coating `Zn` with `Cu`
D. mixing `Zn` dust and copper gauge

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Best answer
Correct Answer - C
In zinc-copper couple, the main component which acts as the reducing agent is `Zn`.

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