While adding the raw materials into the reverberatory furnace for the extraction of copper, it is forgotten to mix sand. a) Predict the result of this mistake. b) Give reason for the result. c) Write the chemical equation involved for the change of copper pyrites in roasting, during the extraction of copper.

While adding the raw materials into the reverberatory furnace for the

1.	While adding the raw materials into the reverberatory furnace for the extraction of copper, it is forgotten to mix sand. a) Predict the result of this mistake. b) Give reason for the result. c) Write the chemical equation involved for the change of copper pyrites in roasting, during the extraction of copper.
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