Question

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

• A. a magnesium bar is connected to an iron pipe
• B. an iron can is plated with tin
• C. copper pipes are connected using lead solder
• D. a copper pipe is covered with epoxy paint

Answer 1

Answer: (A)

a magnesium bar is connected to an iron pipe

Answer is "A"

Reason is "When iron is coated with zinc , the zinc get oxidized .

And when magnesium is connected to an iron bar, Magnesium get oxidized."

So, both the cases are similiar.