A) Blister copper has blistered appearance due to evolution of \[C{{O}_{2}}\].
B) Vapour phase refining is carried out for Nickel by Van Arkel method.
C) Pig iron can be moulded into a variety of shapes.
D) Wrought iron is impure iron with 4% carbon.
Correct Answer: C
Solution :
[c] The iron obtained from blast furnace contains about 4% carbon and many impurities like S, P, Si, Mn in smaller amount. This is known as pig iron and cast into variety of shapes.
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