Question

what does the surface of a metal iron into when it corrodes


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Answer 1

Explanation:

In contrast to these metals, when iron corrodes, it forms a red-brown hydrated metal oxide (Fe2O3•xH2O), commonly known as rust, that does not provide a tight protective film (Figure 20.8. 1). Instead, the rust continually flakes off to expose a fresh metal surface vulnerable to reaction with oxygen and water.

Answer 2

Explanation:

Corrosion is a natural process that converts a refined metal into a more chemically stable form such as oxide, hydroxide, or sulfide. ... Rusting, the formation of iron oxides, is a well-known example of electrochemical corrosion.