Round 4: Tossup 20

In a process named for these components, a desmut (“de-smut”) solution is used to clean a surface before it is passivated with a thick, porous oxide layer (-5[1])that allows for easy dye application. The [emphasize] coating of galvanized steel acts as one of these components to prevent corrosion. (-5[1])Ships often use zinc as a “sacrificial” one of these components. One of these components continuously dissolves to provide the coating material in electroplating. Metals that have a lower reduction potential will tend to act as one of these components, (-5[1])which electrons flow away from in a galvanic (-5[1])cell. (-5[1])For 10 points, name this electrode often paired with a cathode. ■END■ (10[5])

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