Answer :
Final answer:
Galvanic action occurs when different metals interact in a galvanic cell, with oxidation and reduction reactions happening at the anode and cathode, respectively.
Explanation:
Galvanic action can occur when touching two metals, such as in a galvanic cell. An example of this is the reaction between metallic zinc and aqueous copper(II) ions in a galvanic cell, where zinc is oxidized to Zn²+ ions at the anode while Cu²+ ions are reduced to copper metal at the cathode.
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