Auto reduction process is used in the extraction of
Piyush Hule , 9 Years ago
Grade 10
IIT JEE Entrance Exam> Auto reduction process is used in the ext...
1 AnswersNitin
This process is also called autoreduction process or air reduction process. The sulphide ores of less electropositive metals like Hg, Pb, Cuetc., are heated in air as to convert part of the ore into oxide or sulphate which then reacts with the remaining sulphide ore to give the metal and sulphur dioxide. No external reducing agent is used in this process.
It’s first option i.e, Cu and Hg
It’s first option i.e, Cu and Hg
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