Write a Balanced Chemical Equation for the Roasting of CuS

question 42

Multiple Choice

Write a balanced chemical equation for the roasting of CuS.

• A) CuS(s)+ 2 HCl(aq)→ CuCl₂(aq)+ H₂(g)+ S(s)
• B) CuS(s)+ O₂(g)→ CuO₂(s)+ S(s)
• C) CuS(s)+ O₂(g)→ CuO(s)+ SO(g)
• D) CuS(s)+ 2 HCl(aq)→ CuCl₂(aq)+ H₂S(g)
• E) 2 CuS(s)+ 2 O₂(g)→ 2 CuO(s)+ SO₂(g)

---

Definitions:

Seniority Model

A system within organizations where decisions regarding promotions, layoffs, and other employment-related matters are made based on an employee's length of service.

Elder Reign

A period or system where the elderly hold significant power, influence, or respect within a community or society.

Centenarians

Individuals who have reached the age of 100 years or older.

Likely

Refers to something that has a high probability of occurring or being true.