Which of These Reactions Represents the Removal of Silica from Iron

question 62

Multiple Choice

Which of these reactions represents the removal of silica from iron ore in a blast furnace

• A)SiO₂(s) \(\rarr\) SiO₂(g)
• B)SiO₂(s) + CaO(s) \(\rarr\) CaSiO₃(l)
• C)SiO₂(s) + 4HF(g) \(\rarr\) SiF₄(g) + 2H₂O(g)
• D)SiO₂(s) + C(s) \(\rarr\) Si(l) + CO₂(g)
• E)SiO₂(s) + CO(g) \(\rarr\) SiCO₃(l)

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