Question

Which of the following is a synthesis reaction?

BaO+CO2=BaCO3
CH4+O2=CO2+H2O
FeCO3=FeO+CO2
2NH3=2N2+3H2

Answer 1

The reaction which is a synthesis reaction is

BaO + CO₂→ BaCO₃

Step-by-step explanation:

Answer 2

Step-by-step explanation:

In BaO + CO2 => BaCO3, two different molecules are being recated to form a different compound.

This is called a synthesis reaction.