Question

Write the chemical formula for Ozone gas? What was the major depleter of ozone in the past? What does ozone protect from? [3 MARKS]

Answer 1

Each point: 1 Mark

1. Ozone has the molecular formula $O_3$.
2. Major depleter was chloroflurocarbon used in sprays and refigerator.
3. Ozone protects from sun's UV radiations.