Which of the following metals is most likely to protect iron from corrosion?

Question

Quizplus · Accepted Answer

Zinc is a more active metal than iron and has a higher tendency to undergo oxidation (corrosion) than iron. This means that when zinc and iron are in contact, the zinc will become oxidized before the iron does and protect the iron from corrosion. This process is known as sacrificial protection. Therefore, zinc is the best choice for protecting iron from corrosion.

Which of the Following Metals Is Most Likely to Protect