Which of the Following Is an Example of Roasting

question 20

Multiple Choice

Which of the following is an example of roasting?

• A)CaCO₃(s) CaO(s)+ CO₂(g)
• B)PbO(s)+ CO(g) Pb(l)+ CO₂(g)
• C)SnO₂(s)+ 2C(s) Sn(l)+ 2CO(g)
• D)Ni(O
• H)₂(s) NiO(s)+ H₂O(g)
• E)2CuS(s)+ 3O₂ 2CuO(s)+ 2SO₂(g)

---

Definitions:

Power Facilities

Infrastructure units that generate or distribute electricity, including power stations, substations, and transmission lines.

Brain Drain

The emigration of highly trained or intelligent people from a particular country.

Educated Workers

Individuals in the workforce who have acquired knowledge and skills through formal education and training.

Industrialized Countries

Nations with significant levels of industrial activity, characterized by a high GDP and a well-developed infrastructure.