Question

Name one physical observation by which we can conclude that a chemical reaction takes
place during electrorefining.​

Answer 1

Answer:

Nickel electroplating is a technique of electroplating a thin layer of nickel onto a metal object. The nickel layer can be decorative, provide corrosion resistance, wear resistance, or used to build up worn or undersized parts for salvage purposes

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Explanation:

Answer 2

Answer:

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