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.
Correct Answer: D
Solution :
Zinc can be better than tin for protecting iron from rusting because, zinc being highly electropositive can prevent rusting even when the layer is broken.You need to login to perform this action.
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