Question

Which of the following reactions is called roasting?Select the proper choice from the given multiple choices.
(A) ZnCO₃(s) → ZnO(s) + CO₂(g)
(B) 2ZnS(s) + 30₂(g)→ 2ZnO(s) + 2S₂(g)
(C) ZnO(s) + C(s) → Zn(s) + CO(g)
(D) Zn(s) + H₂O(g)→ ZnO(s) + H₂(g)

Answer 1

B. 2ZnS + 3O2------heat 2ZnO + 2SO2

Answer 2

Answer:

(B) 2ZnS(s) + 3O2(g) gives 2ZnO(s) + 2S2(g)