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Q.

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

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a

copper pipes are connected using lead solder

b

a copper pipe is covered with epoxy paint

c

a magnesium bar is connected to an iron pip

d

an iron can is plated with tin

answer is A.

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Detailed Solution

As a result "When zinc is used to coat iron, the zinc oxidizes. Magnesium also becomes oxidized when it is linked to an iron bar."
As a result, both scenarios are comparable.

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