When iron undergoes corrosion,it .........

Write a note on the corrosion of iron. Explain the chemistry of iron corrosion.

During galvanization of iron,which metal is used for coating the iron surface?

Galvanized iron is coated with which metal?

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

Given below are two statements:
Statement $I$: Corrosion is an electrochemical phenomenon in which pure metal acts as an anode and impure metal as a cathode.
Statement $II$: The rate of corrosion is more in alkaline medium than in acidic medium.
In the light of the above statements,choose the correct answer from the options given below: