Main source of lead is PbS. It is converted to Pb by (I) PbS underset – InterviewSolution

1.	Main source of lead is PbS. It is converted to Pb by (I) PbS underset(Delta)overset("air")rarr PbO + SO_(2) (II) Self reduction process is
Answer» I II Both A & B none of these Answer :B

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