Identify a Balanced Reaction for the Smelting of SnO₂ with Carbon

question 31

Multiple Choice

Identify a balanced reaction for the smelting of SnO₂ with carbon.

• A)SnO₂(s)+ CO₂(g) SnCO₃(s)
• B)SnO₂(s)+ CaCO₃(s) SnC(s)+ CaO(s)+ O₂(g)
• C)SnO₂(s)+ 2C(s) Sn(l)+ 2CO(g)
• D)2SnO₂(s)+ 2CaC₂(s) 2SnC₂(s)+ 2CaO(s)+ O₂(g)
• E)SnO₂(s)+ 2CO(g) Sn(l)+ 2CO₂(g)

---

Definitions:

Training Program

A structured and systematic plan of activities designed to enhance the knowledge, skills, and competencies of participants for professional or personal development.

Cost Groupings

The classification of costs into categories, often for accounting, reporting, or analysis purposes.

Cost-Effectiveness

A measure evaluating the relative expense of an intervention or action in generating a desired outcome or benefit, typically considering the most efficient use of resources.

Credibility

The quality of being trusted and believed in.