Question

The reaction $2 \mathrm { ZnS } + 3 \mathrm { O } _ { 2 } \rightarrow 2 \mathrm { ZnO } + 2 \mathrm { SO } _ { 2 }$ in the

metallurgical process of zinc is called.

• A. Calcination
• B. Cupellation
• C. Smelting
• D. Roasting

Answer 1

Answer: (D)

Roasting

Answer 2

Roasting (Sulphide ore is heated in excess of air)