Question

Which of the following is a double displacement reaction?
(a) Cl2(g) +2KBr (aq) — 2KCl (aq) + Brz (8)
(b) Zn (s) + Feso: (aq) ZnSO. (aq) + Fe(s)
(c) Cạp (s)+H2O (1) #Ca(OH)2 (s)
(d) Pb(NO3)2 (aq) + Na250- (aq) — pbso: (s) + 2NaNO: (aq)
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Answer 1

Last one:- Pb(No3)+Na2s0→Pbso+2NaNo

Answer 2

(d) is the option

Hope this helps you