Question

define roasting? chemistry question ...plz help me ​

Answer 1

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➡Roasting is a process of heating of sulphide ore to a high temperature in presence of air.

➡ it is a step of the processing of certain ores. More specifically, roasting is a metallurgical process involving gas–solid reactions at elevated temperatures with the goal of purifying the metal component.

❇2 Cu2S + 3 O2 → 2 Cu2O + 2 SO2

❇2 ZnS + 3 O2 → 2 ZnO + 2 SO2

Answer 2

Explanation:

roasting is a process of heating of sulfate or to a high temperature in presence of air

OR

Ores are heated to a high temperature below their melting point in the presence of excess air

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