1
Question
Auto reduction process is used for the extraction of:
Auto reduction process is used for the extraction of:
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Solution
The correct options are
A Pb
B Cu
C Hg
Auto-reduction or air reduction is a very popular reaction in metallurgy.
It is a process in which sulphide ores of less electropositive metals like Hg, Pb, Cu etc., are heated in the air so as to convert part of the ore into oxide or sulphate which then reacts with the remaining of sulphide ore in absence of air to give the metal and sulphur dioxide.
A Pb
B Cu
C Hg
Auto-reduction or air reduction is a very popular reaction in metallurgy.
It is a process in which sulphide ores of less electropositive metals like Hg, Pb, Cu etc., are heated in the air so as to convert part of the ore into oxide or sulphate which then reacts with the remaining of sulphide ore in absence of air to give the metal and sulphur dioxide.
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