The chemical formula of rust is:

Aluminium is more reactive than $Fe$. But $Al$ is less easily corroded than iron because

Which of the following statements is not correct about the rusting of iron?

Assertion : Copper metal gets readily corroded in an acidic aqueous solution.
Reason : Free energy change for this process is positive.

Iron sheets are galvanized by depositing a coating of which metal? In galvanization,iron surface is coated with:

In the galvanizing process,iron is coated with zinc. The resulting chemical protection is most similar to that provided when