Question

in what way the two reactions each of the following pairs are different from each other​

Answer 1

Explanation:

i) (a) NH3 (g) + H2O (l) -- NH4OH (aq)

(b) 2 Mg (s) + O2 (g) ----- 2 MgO (s)

(ii) (a) Zn (s) + CuSO4 (aq) -------- ZnSO4 (aq) + Cu (s)

(b) H2S (aq) + CuSO4 (aq) --------- CuS (s) + H2 SO4 (aq)

(iii) (a) CaCO3 ------- CaO (s) + CO2 (g)

(b) 2H2O (l) ------ 2H2 (g) + O2 (g)