Question

Rusting of iron is


Select one:
a. Periodic change
b. Irreversible change
c. Physical change
d. Reversible change

Answer 1

Explanation:

Rusting of iron refers to the formation of rust, a mixture of iron oxides, on the surface of iron objects or structures. This rust is formed from a redox reaction between oxygen and iron in an environment containing water (such as air containing high levels of moisture).

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