Anode mud in electro refinig of copper., Chemistry

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Name the common element present in the anode mud in electro refinig of copper.

Ans) ANTOMONY ,STRONSIUM,SELENIUM,TELLURIUM,SILVER,GOLD AND PLATINUM . THESE ELELMENTS ,BEING LESS REACTIVE ,ARE NOT AFFECTE BY CuSO4+H2SO4 SOLUTION AND SETTLE DOWN ANOD AS MUD


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