A + B → AB:

AB → A + B:

Hydrocarbon + O2 → CO2 + H2O:

AB + CD → AD + CB:
→ AD + CB:
v


Answer :

Answer:

A + B → AB:  

✔ synthesis

AB → A + B:  

✔ decomposition

Hydrocarbon + O2 → CO2 + H2O:  

✔ combustion

AB + CD → AD + CB:   replacement

Explanation: