" Ozone is an "

Ozone is alan

Ozone is not

(I) The ozone layer is also called as ozone hole. (II) Ozone is a colourful gas. (III) The upper layer of ozone is called as bad ozone. (IV) The ozone layer of stratosphere is called as good ozone.

Ozone is a ____ molecule.

Ozone is not present in

Ozone is not present in

Ozone is not present in