A) Forms a corrosion-resistant alloy with iron
B) Is readily converted into positive ion iron.
C) Prevents air from reaching the surface of iron
D) Is higher than iron.
Correct Answer: B
Solution :
As we know that, magnesium is readily converted into positive ions when comes in to contact with acidic soil and forms oxide layer in this way it prevents iron pipes from rusting. Hence, the correct option is (b).
You need to login to perform this action.
You will be redirected in
3 sec
