Match the items of Column I with item of Column II and assign the correct code.

Options

A. `{:("(A)","(B)","(C )","(D)"),("(iii)",(iv),(v),(i)):}`
B. `{:("(A)","(B)","(C )","(D)"),("(iii)",(ii),(iv),(i)):}`
C. `{:("(A)","(B)","(C )","(D)"),("(ii)",(iii),(i),(v)):}`
D. `{:("(A)","(B)","(C )","(D)"),("(i)",(ii),(iii),(iv)):}`

Answer

B

Explanation

Cyanide is used in a leaching process for `Ag(Au(CN)_(3))` formation. Froath flotation is refining of ZnS (sulphide concentration). Electrolytic reduction is extraction of from bauxite. Zone refining is purification of Si & Ge.