Which of the Following Sets of Elements or Compounds Are

question 62

Multiple Choice

Which of the following sets of elements or compounds are used to reduce iron(III) oxide (Fe2O3) to impure iron in a blast furnace?

• A) Hydrogen(g)and carbon(s)
• B) Chlorine(g)and carbon dioxide(g)
• C) Carbon(s)and carbon monoxide(g)
• D) Calcium silicate(s)and calcium oxide(s)
• E) Carbon dioxide(g)and calcium oxide(s)

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