Question

refining of metal by electrolysis
decomposition reaction
neutralization reaction
redox reaction
displacement reaction​

Answer 1

Answer:

redox reaction

Step-by-step explanation:

The metals can be refined by electrolysis process generally referred to as electrorefining. In general, the metals are deposited at cathode. An impure sample of metal solution is electrolysed using cathode made up of same metal in pure state so that the metal from solution is deposited on it during electrolysis.

Answer 2

Answer:

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