|  | The purest form of iron is Choose from below given options:-
 (1) wrought iron
 (2) steel
 (3) pig iron
 (4) nickel steel
 
 Answer  (1) wrought iron
 
 Hint :- We know Wrought Iron is the purest form of iron. I think It contains 0.12 to 0.25% carbon and so it is the purest form of iron.
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