Lead obtained from galena ore `(PbS)` by air reduction or carbon reduction process contains
Channel: Doubtnut
Date: 2020-07-26

Lead obtained from galena ore `(PbS)` by air reduction or carbon reduction process contains base metal `(cu, Bi, As, Sn,Zn)` as impurities.  Gelatin acts as addition agent in electrolysis of `Pb`. In the presence of gelatin, `Pb` becomes.