Question

Identify the correct statement from the following: 

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

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

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

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

Answer 1

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

Pig iron contains impurities (C, S, Si, P etc) having malleable nature that's why can be moulded.