Question

Auto reduction process is used for the extraction of

Answer 1

Hi dude here is ur answer ✌

The sulphide ores of less electropositive metals like Mercury, Plumbum, Copper etc., 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.


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Answer 2

Hii Here is your answer........

Auto reduction process is used in the preparation of Co, Hg and Pb etc. which are less electropositive metal e.g.,

                 2HgS + 3O2 --> 2HgO + 2SO2
        2HgO + HgS --> 3Hg + SO2
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