Identify the correct statement from the following :
Wrought iron is impure iron with 4% carbon.
Blister copper has blistered appearance due to evolution of .
Vapour phase refining is carried out for Nickel by Van Arkel method.
Pig iron can be moulded into a variety of shapes.
Pig iron is the iron obtained from blast furnace and contains about 4% carbon and many impurities in smaller amount (S, P, Si, Mn). It can be moulded into a variety of shapes.
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