everyday science MCQ #3384

The process of smelting and cooling converts pig iron into:

everyday science MCQ #3384

  1. Question 1

    Q1. The process of smelting and cooling converts pig iron into:

    • A) Silicon Steel
    • B) Cast iron
    • C) Wrought iron
    • D) Steel

    Answer: Cast iron

    Explanation: Smelting extracts iron from ore as pig iron (high carbon), and controlled cooling produces cast iron, which has a carbon content of 2–4% and is brittle but hard.