1.

Identify the metal `M` whose extraction is based on the following reactions: `MS +2O_(2)rarr MSO_(4)` `2MS +3O_(2)rarr 2MO +2SO_(2)` `MS +2MO rarr 3M +SO_(2)` `MS +MSO_(4) rarr 2M +2SO_(2)`A. magnesiumB. aluminiumC. leadD. tin

Answer» Correct Answer - C
As `PbS` on self-reduction with `PbO` and `PbSO_(4)` gives metallic lead.


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