Question

Identify the correct statement from the following.

• A. Blister copper has blistered appearance due to evolution of $S{O}_3$
• B. Vapour phase refining is carried out for Zinc by van Arkel method
• C. Cast iron has about 3% carbon
• D. Wrought iron is impure iron with 5% carbon

Answer 1

The correct option is C Cast iron has about 3% carbon

• Blister copper has blistered appearance due to evolution of $S{O}_2$ gas.
• Wrought iron is the purest form of iron.
• Cast iron has about 3% carbon.
• van Arkel Method is used for the refining of Zr and Ti whereas Zn can be refined using distillation as well as electrolytic refining.