SO2 or if it mixes with NO2 (nitrous oxide) it turns into acid rain
Sulfur Dioxide is the common name for SO3.
The common name of sulfur dioxide is sulfurous acid.
Sulfurous acid is the common name. That chemical is merely sulfur dioxide dissolved in water and is classified as a very strong acid.
Sulfur dioxide
The chemical compound name for SO2 is sulfur dioxide.
SO2 is Sulfur Dioxide
Another name for sulfur dioxide is sulfurous anhydride.
The molecular compound name for SO2 is sulfur dioxide.
Sulfur dioxide SO2 (written with two capitals)
The compound made by combining sulfur with oxygen to make SO2 is called sulfur dioxide.
The chemical formula of sulfur dioxide is SO2 (not mono and di in the same name !).
"Sulfur dioxide" is a phrase, not a word. This phrase is the name of a chemical compound of sulfur and oxygen with a molecular and empirical chemical formula of SO2.