List - I (Metals) List - II (A) Zn (P) Cyanide process involve in the comerical extration (B) Cu (Q) Extracted by hydrometallurgical process (C) Ag (R) Roasting involve in the comerical extration (D)

Question

List - I (Metals) List - II (A) Zn (P) Cyanide process involve in the comerical extration (B) Cu (Q) Extracted by hydrometallurgical process (C) Ag (R) Roasting involve in the comerical extration (D) Au (S) Present in Brass

TestHub · Accepted Answer

Question Explanation:

Matching metals with their relevant metallurgical processes and applications.

Concept: Metallurgy and Alloys.

Solution:

(i) Mac. arthur forest cyanide process involved in the extraction of Ag and Au

(ii) Ag and Au metals are extracted by hydrometallurgical process

(iii) Roasting involved in the commercial extraction of sulphide ores like $ZnS . CuFeS_{2}$ etc.

(iv) Brass: $70% Cu$ and $30% Zn$

Chemistry - Complete d-block Question with Solution | TestHub

Options:

Doubts & Discussion

List - I (Metals)	List - II
(A) Zn	(P) Cyanide process involve in the comerical extration
(B) Cu	(Q) Extracted by hydrometallurgical process
(C) Ag	(R) Roasting involve in the comerical extration
(D) Au	(S) Present in Brass