1 :Extraction of gold and silver involves leaching with CN- ions silver is later recovered by, A.distillation B.zone refining C.dispaesement with Zn d.liquestion?

Class 12 Question

2 Answers
Subhash Rowdy answered 4 weeks ago
Displacement with zinc. because zn has high reduction potential than gold and silver so
zn can replace Au and Ag

Bhaskar Ala answered Jul 08, 2020
I think displacement with zn

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