Why is zinc better than tin for electro- plating a piece of iron in or – McqOptions

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1.	Why is zinc better than tin for electro- plating a piece of iron in order to prevent it from rusting?
A.	Zinc is cheaper than tin.
B.	Tin is toxic.
C.	Zinc can prevent iron from coming into contact with water and air.
D.	Rusting is prevented even when the zinc layer is broken.
Answer» E.

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