2Na + Cl2 → 2 NaCl

Question

2 HgO → 2 Hg + O2

Zn + 2 HCl → ZnCl2 + H2

PbBr2 + Al2O3 → PbO + AlBr3

C3H8 + O2 → CO2 + H2O

match this with these
Synthesis
Double Replacement (Displacement)
Decomposition
Combustion
Single Replacement (Displacement)

Answer 1

2Na + Cl2 → 2 NaCl - Synthesis

2 HgO → 2 Hg + O2 - Decomposition

Zn + 2 HCl → ZnCl2 + H2 - Single Replacement (Displacement)

PbBr2 + Al2O3 → PbO + AlBr3 - Double Replacement (Displacement)

C3H8 + O2 → CO2 + H2O - Combustion