Sulphur dioxide - Quiz

Fill in the blanks in the equations and statements below.

Sulphur dioxide (a pollutant) is oxidised in the atmosphere to sulphur trioxide (a pollutant) which then reacts with water to form sulphuric acid.

The oxidation of sulphur dioxide can occur in various ways

1. Reaction in water droplets

2. Photochemical reaction

3. Gas phase reaction with ozone