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Answer» `"Tin stone" overset("Magnetic")overset("separation")to SnO_(2)overset("Self")overset("reduction")tounderset(SN("pure"))underset(""darr"distillation")(Sn("impure"))` `"Red Bauxite" overset("Serpeck.s")overset("process")to Al_(2)O_(3)overset("Electrolytic")overset("reduction")tounderset(""Al("pure"))underset(underset("refining")("Electrolytic")darr)(""Al("impure"))` `"GALENA" overset("Forth")overset("Floatation")to PbSoverset({:("Partial"),("roasting"):})underset({:("+Self"),("rduction"):})tounderset(""Pb("pure"))underset(underset("refining")("Electrolytic")darr)(""Pb("impure"))` `"Haematite" overset("Leaching by")overset("NaOH")to Fe_(2)O_(3)overset("Carbon")overset("reduction")tounderset(""FE("pure"))underset(underset("refining")("Electrolytic")darr)(""Fe("impure"))` ANSWER :C
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