What else is produced when sodium carbonate decomposes? na2co3 na2o +

Na2CO3 Na2O +CO2   CO2 is the answer

When a single compound breaks down into two or more compounds or elements in a chemical reaction then it is known as decomposition reaction.

The chemical symbol for sodium carbonate is .

The decomposition of sodium carbonate is:

The decomposition of sodium bicarbonate, will result in the formation of sodium oxide, and carbon dioxide, .

Hence, carbon dioxide, will produce with sodium oxide, on decomposition of .