Electrolysis Practice Exam 2025 – Comprehensive All-in-One Guide to Master Electrolysis Certification!

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How many dissimilar metal plates are in a typical Voltaic cell?

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In a typical Voltaic cell, there are two dissimilar metal plates. The two plates serve as the electrodes: one acts as the anode (where oxidation occurs) and the other as the cathode (where reduction occurs). The different metal compositions of these electrodes are crucial because they create a potential difference when in contact with an electrolyte solution.

This potential difference is what drives the flow of electrons through an external circuit, generating electric current. Each metal has its own unique electrochemical properties, influencing the overall voltage and efficiency of the cell. Essentially, having two distinct types of metals is fundamental to the functioning of a Voltaic cell, allowing the electrochemical reactions to take place effectively.

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