Which of the Following Is an Example of an Electrometallurgy

question 49

Multiple Choice

Which of the following is an example of an electrometallurgy process?

• A) Al(O
• H)₃(s) + SiO₂(s) AlSiO₃(s) + 3 H₂O(g)
• B) Zn(O
• H)₂(s) ZnO(s) + H₂O(g)
• C) 2 Al(O
• H)₃(s) Al₂O₃(s) + 3 H₂O(g)
• D) PbSO₄^∙5H₂O(s) + H₂O(l) → PbS(s) + H₂SO₄(aq) + 5 OH⁻(aq)
• E) Al₂O₃^∙nH₂O(s) + 2 OH⁻(aq) + 2 H₂O(l) → 2 Al(O
• H)₄⁻(aq)

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