Galvanized iron is coated with which metal?

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

Iron pipes lying under acidic soil are often attached to blocks of magnesium for protection from rusting. Magnesium offers protection to iron against corrosion because it

Iron is protected from corrosion by coating it with a thin layer of

What is the electron movement during the corrosion of $Fe$?

During the corrosion of $Fe$,which species is reduced by the electrons produced due to the oxidation of $Fe$?