Which of the following statement(s) is /are correct? – InterviewSolution

1.	Which of the following statement(s) is /are correct?
Answer» Magnestic is the ORE of magnesium A MINERAL containing ZnS and PbS TOGETHER is SEPARATED in fronth floatation process by adding NaCN as depressant. Which bauxite is purified by Hall's process. Extraction of zinc from zinc blende is possible by self reduction. Answer :A::B

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