Question

Which of the following elements is present as the impurity to the maximum extent in the pig iron?

Options

• Carbon

• Silicon

• Phosphorus

• Manganese

Answer 1

Carbon

Explanation:

Pig iron is the crude form of iron obtained directly from the blast furnace. It contains several impurities, but the main impurity present in the most significant amount is carbon. Carbon is present in 2% to 4% in pig iron. Other impurities, such as silicon, phosphorus, and manganese, are present in smaller amounts.