What change occurs in the concentrated ore du | vedclass

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(A) Roasting is a metallurgical process used for sulphide ores. In this process, the concentrated sulphide ore is heated strongly in the presence of e

Vedclass · Accepted Answer

Sulphide is converted into oxide.

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(A) Roasting is a metallurgical process used for sulphide ores. In this process, the concentrated sulphide ore is heated strongly in the presence of excess air. As a result, the sulphide ore is converted into its corresponding metal oxide and sulphur dioxide gas is released. For example: $2ZnS + 3O_2 \rightarrow 2ZnO + 2SO_2$.

What change occurs in the concentrated ore during the roasting process?

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