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  • Roasting of sulphide ore is generally performed inOption: 1 Muffle furnace Option: 2 R

Roasting of sulphide ore is generally performed in

Option: 1

Muffle furnace 


Option: 2

Reverberatory furnace


Option: 3

Bessemer converter 


Option: 4

Blast furnace


Answers (1)

best_answer

Roasting of sulphide ore is generally performed in reverberatory furnace. In roasting, the ore is heated in a regular supply of air in a furnace at a temperature below the melting point of the metal. Some of the reactions involving sulphide ores are:

\begin{aligned} & 2 \mathrm{ZnS}+3 \mathrm{O}_2 \rightarrow 2 \mathrm{ZnO}+2 \mathrm{SO}_2 \\ & 2 \mathrm{PbS}+3 \mathrm{O}_2 \rightarrow 2 \mathrm{PbO}+2 \mathrm{SO}_2 \\ & 2 \mathrm{Cu}_2 \mathrm{~S}+3 \mathrm{O}_2 \rightarrow 2 \mathrm{Cu}_2 \mathrm{O}+2 \mathrm{SO}_2 \end{aligned}

 

Posted by

Ritika Kankaria

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