Oxidation-reduction processes include all of the following EXCEPT the:

burning wood

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rusting of iron

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generation of power by a storage battery

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combustion of gasoline in an automobile engine

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conduction of an electric current in a copper wire

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Solution

The correct option is E conduction of an electric current in a copper wire
Conduction of an electric current in a copper wire is not an example of an oxidation-reduction process. This is because it does not involve transfer of electrons from one element to other, resulting in change of its oxidation state. Although, it does involve transfer of electrons but from one band to another inside $C u$ wire only.

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