Engineering Materials

Smelting is the process of_____.

  • A. Removing the impurities like clay, sand etc. from the iron ore by washing with water
  • B. Expelling moisture, carbon dioxide, sulphur and arsenic from the iron ore by heating in shallow kilns
  • C. Reducing the ore with carbon in the presence of a flux
  • D. All of the above
Answer: Option C.

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