Which of the Following Equations Represents the Roasting of Lead(II)sulfide

question 92

Multiple Choice

Which of the following equations represents the roasting of lead(II) sulfide ore?

• A)PbS(s)+ 4H₂O(l)→ Pb(OH)₃^-(aq)+ H₂S(aq)+ H₃O⁺(aq)
• B)PbS(s)+ H₂(g)→ Pb(s)+ H₂S(g)
• C)2PbS(s)+ C(s)→ 2Pb(s)+ CS₂(l)
• D)PbS(s)+ 2H₂O(l)→ Pb(OH)₂(s)+ H₂S(aq)
• E)2PbS(s)+ 3O₂(g)→ 2PbO(s)+ 2SO₂(g)

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Definitions:

Cost-Effective Changes

Adjustments or improvements to processes, systems, or products that maximize benefits while minimizing costs.

Production

The process of creating goods or services through the combination of labor, materials, and technology.

Operation

The day-to-day activities necessary for an organization to function effectively and achieve its goals.

Raw Materials

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