11. Classify each of the following chemical reactions as a combination, decomposition, single replacement, double replacement, or combustion reaction:
Type of reaction
Equation of the chemical reaction
CuO(s) + 2HCl(aq) —— CuCl2(aq) + H20(1)
2A1303(s) => 4Al(s) + 302(8)
De composition
BaCl2(aq) + K2CO3(ad) —→ BaCO3(s) + 2Cl(aq)
Pb(s) + O2(8) -PbOz(s)
C3H2(g) + 702() =5CO2(g) + 4H20(3)
Zn(s) + CuCl2(aq) + Cu(s) + ZnCl2(aq)
Combustion