10 min : 24 sec
30 )The formula of a metal oxide is
PbO and a metal sulphide is FeS.
Name them.
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Answer:
Self-reduction process: This process is also called auto reduction process or air reduction process.
The sulphide ores of less electropositive metals like Hg, Pb, Cu etc. are heated in the 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.
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Answer:
Lead Oxide and ferrous sulphide
Explanation:
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