Which of the Following Equations Represents the Roasting of an Ore

question 36

Multiple Choice

Which of the following equations represents the roasting of an ore?

• A) All of these represent roasting processes.
• B) PbO (s) + CO (g) Pb (l) + CO₂ (g)
• C) HgS (s) + O₂ (g) Hg (g) + SO₂ (g)
• D) 2ZnS (s) + 3O₂ (g) 2ZnO (s) + 2SO₂ (g)
• E) 2MoS₂ (s) + 7O₂ (g) 2MoO₃ (s) + 4SO₂ (g)

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