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JAMB Chemistry 1979 Question 47

Question 47

Metals and their Compounds

Which of the following raw materials would be required for the smelting of iron ore in a blast furnace?

  1. A.CaCO3
  2. B.Zn(NO3)2
  3. C.CuSO4
  4. D.AlCl3
  5. E.CaSO4
Show the answer and explanation

Answer: A (CaCO3)

Explanation

Limestone (CaCO3) is charged into the blast furnace with the ore and coke; it removes silica impurities as slag.