Select the incorrect statements regarding roasting of oresa) The temperature of the process
is maintained
below the melting point of
mixture
b) Sulphide ores are converted
into their oxide ore
c) Lower oxidation state oxides
can be oxidised to
higher oxidation state oxides
d) All impurities are removed in
the form of their
elemental vapour
Select the incorrect statements regarding roasting of oresa) The temperature of the process
is maintained
below the melting point of
mixture
b) Sulphide ores are converted
into their oxide ore
c) Lower oxidation state oxides
can be oxidised to
higher oxidation state oxides
d) All impurities are removed in
the form of their
elemental vapour
is maintained
below the melting point of
mixture
b) Sulphide ores are converted
into their oxide ore
c) Lower oxidation state oxides
can be oxidised to
higher oxidation state oxides
d) All impurities are removed in
the form of their
elemental vapour










