Galvanized iron is coated with a layer of which metal?

The rusting of iron is formulated as $Fe_2O_3 \cdot xH_2O$. This process involves the formation of which of the following as an intermediate product?

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

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:

Aluminium is more reactive than iron. But aluminium is less easily corroded than iron because

Metal can be prevented from rusting by