Question: Identify the correct statement from the following : (1) Wrought iron is impure iron with 4% carbon. (2) Blister copper has blistered appearance due to

Identify the correct statement from the following :

(1) Wrought iron is impure iron with 4% carbon.

(2) Blister copper has blistered appearance due to evolution of CO2

(3) Vapour phase refining is carried out for Nickel by Van Arkel method.

(4) Pig iron can be moulded into a variety of shapes.

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