What types of chemical reactions are the following?

Column A
1. AI + + GaP → Ga + AIP
2. 2 Mg + O2 → 2 MgO
3. MgO + BeSe → BeO + MgSe
4. Ch4 + 2O2 → CO2 + 2H2O
5. 2 NaCI → Na + CI2

Column B
a. Double Replacement
b. Synthesis
c. Combustion
d. Single Replacement
e. Decomposition

1 answer

Column A
1. AI + + GaP → Ga + AIP - d. Single Replacement
2. 2 Mg + O2 → 2 MgO - c. Combustion
3. MgO + BeSe → BeO + MgSe - a. Double Replacement
4. CH4 + 2O2 → CO2 + 2H2O - c. Combustion
5. 2 NaCI → Na + CI2 - b. Synthesis