mamassafofanah mamassafofanah 05-03-2022 Chemistry contestada In this set of chemical reactions, which is a single replacement reaction? Question 3 options: 2 C2H6 (g) + 7 O2 (g) → 4 CO2 (g) + 6 H2O (g) Zn (s) + H2SO4 (aq) → ZnSO4 (aq) + H2 (g) N2 (g) + O2 (g) → 2NO (g) Al2(SO4)3 (aq) + 6KOH (aq) → 2 Al(OH)3 (s) + 3 K2SO4 (aq) SO3 (g) + H2O (l) → H2SO4 (aq)