Match the conversions in Column I with the type(s) of reaction (s) given in Column II: Column I Column II (A) PbS→PbO (P) Roasting (B) {CaCO₃ → CaO (Q) Calcination (C) ZnS →Zn (R) Carbon reduction (D) {Cu₂S} → Cu (S) Self-reduction [JEE Adv 2008 P2]

Question

Examsnet · Accepted Answer

Correct Answer is : (A)→(P); (B)→(Q); (C)→(P), (R); (D)→(P), (S)

Column I	Column II
(A) PbS→PbO	(P) Roasting
(B) $\mathrm{CaCO_3}$ → CaO	(Q) Calcination
(C) ZnS →Zn	(R) Carbon reduction
(D) $\mathrm{Cu_2S}$ → Cu	(S) Self-reduction

Isolation of Elements