Zinc-copper couple that can be used as a reducing agent is obtained by :

mixing zinc dust and copper gauze

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zinc coated with copper

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copper coated with zinc

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zinc and copper wires welded together.

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Solution

The correct option is D zinc coated with copper
Zinc is coated with copper to obtain zinc-copper couple that can be used as a reducing agent.

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Q. Zinc-copper couple that can be used as a reducing agent is obtained by:

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Zinc-copper couple that can be used as a reducing agent is obtained by :

The correct option is D zinc coated with copperZinc is coated with copper to obtain zinc-copper couple that can be used as a reducing agent.

The correct option is D zinc coated with copper
Zinc is coated with copper to obtain zinc-copper couple that can be used as a reducing agent.