Question

what is roasting?write it's chemical reaction



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Answer 1

Answer:

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

2 Cu2S + 3 O2 → 2 Cu2O + 2 SO.

Answer 2

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• Roasting is a process of heating of sulphide ore to a high temperature in presence of air. During roasting, the sulfide is converted to an oxide, and sulfur is released as sulfur dioxide, a gas.
• For the ores Cu2S (chalcocite) and ZnS (sphalerite), balanced equations for the roasting are: 2 Cu2S + 3 O2 → 2 Cu2O + 2 SO.

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