Question

The purest form of commercial iron is:

• A. Cast iron
• B. Wrought iron
• C. Pig iron
• D. Scrap iron and pig iron

Answer 1

The correct option is B Wrought iron

Cast iron, an alloy of iron that contains 2-4% carbon and varying amounts of silicon and manganese. Wrought iron is purest form of commercial iron. Pig iron is obtained from the process of smelting of iron. Scrap iron is the type of iron obtained by breaking up large pieces of pig iron.