Which of the following reactions is/are involved in the extraction of Cy from any ore of copper?

Which of the following reaction is/are involved in the extraction of Pb from PbS?

Which of the following reaction is involved in the extraction of copper by the besemer process?

Write the reaction involved in the extraction of copper from low grade ores.

Mention the steps and the reactions involved in the extraction of a metal from its ore.

Write the chemical equations for reactions involved in the extraction of copper from copper pyrites.

Write balanced equations for the reactions involved in the extraction of copper from copper matte.

(i) Write composition of copper matte. (ii) Write balanced equations for the reactions involved in the extraction of copper from copper matte.

Which one of the following compounds is used to reduce copper oxide during extraction of copper from sulphide ore -