Answer :
Cu serves as a reducing agent while Silver nitrate behaves as an oxidizing agent.
What is Oxidizing agent?
A substance or element that participates in a redox (oxidation-reduction) process and gets electrons from a separate species is referred to as an oxidising agent.
The oxidant is a chemical molecule that readily exchanges oxygen or other atoms for an electron. One agent in the reaction is regarded as an oxidizer if it releases oxygen, acquires electrons, or produces hydrogen. As the oxidizer absorbs electrons, it gets reduced. However, the reactant passes through oxidation by allowing the oxidizer to take its electrons. The name-brand example of an oxidising agent is oxygen.
When the majority or all of the atoms on a single metal surface are oxidised, corrosion takes place, harming the surface as a whole.
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