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sweet-ann [11.9K]
3 years ago
9

Why is it important that two different metals are used in building an electrochemic cell?

Physics
1 answer:
Mnenie [13.5K]3 years ago
5 0

Answer:

Explanation:

They need a galvanic difference. Or saying that less technically,  they need to have different electron attraction, so that one can collect electrons (oxidation/reduction)  and flow current from the other.  :)

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