The process that involves the removal of sulpur from the ores is:
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a
Smelting
b
Roasting
c
Leaching
d
Refining
answer is B.
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Detailed Solution
Roasting involves the removal of sulphur from the ores.Roasting: Any sulphide ore burnt in excess of air sulphide ore may be converted to oxide (or) halide, which can be easily reduced to get metal.