Q. What is the colour of ozone molecule?
Answer: Blue
Notes: Ozone, O3, is a pale blue gas that is unstable and toxic. It is a powerful allotropic of the element oxygen; a high concentration of ozone around the earth absorbs heat.

This question is part of 40000+ General Studies MCQ Series Course on GKToday Android app. Question Number: 49 in Chemistry-18-Important Non-Metals in above course in App.