In the elctrolysis refinin of copper, Ag and Au are found:

In the electrolytic refining of blister copper, the total number of main impurities, from the following, removed as anode mud is __________. Pb, Sb, Te, Ru, Ag, Au and Pt

Among the following total number of possible metals present in anode mud, which is obtained by electrolytic refining of copper. Fe, Ag, Au, Pt, Pb, Zn

In the elctrolysis of alumina using cryotile, the reaction that takes place at cathode is

When copper is purified by electrorefining process, noble metals like Ag and Au are found in

Why are Ag and Au remain in anode mud during electrolysis refining of copper ?

In the elctrolysis of AgNO_3 solution 0.42g of Ag is produced of cathode after o certain period of time. Calculate the quantity of electricity required (molar weight of Ag is 107.9 g mol^-1)