MetallurgyHard
Question
Which of the following factors is of no significance for roasting sulphide ores to the oxides and not subjecting the sulphide ores to carbon reduction directly?
Options
A.Metal sulphides are thermodynamically more stable than CS2
B.CO2 is thermodynamically more stable than CS2
C.Metal sulphides are less stable than the corresponding oxides
D.CO2 is more volatile than CS2
More Metallurgy Questions
Which of the following pairs of metals is purified by Van Arkel method ?...Roasting of copper pyrites is done :...Out of Cu2S, HgS, Ag2S, PbS and ZnS, roasting will convert the minerals into metal in case of :...NaCN is sometimes added in the froth flotation process as a depressant when ZnS and PbS minerals are expected because :...In the extraction of copper from its sulphide ore, the metal is finally obtained by the reduction of cuprous oxide with:...