MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Inorganic ChemistryMetallurgySnO ->Cassiterite
Copper and lead are mainly extracted by
A.electrolysis
B.the carbon reduction process
C.the self-reduction process✓ Correct
D.the thermite process
Explanation
Copper, mercury and lead are mainly extracted by self-reduction process e.g. 2 2 2 PbS+O PbO+SO PbO+PbS Pb+SO → →
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