The statement that is not true about ozone is:

  • A
    In the stratosphere,it forms a protective shield against $UV$ radiation.
  • B
    It is a toxic gas and its reaction with $NO$ gives $NO_{2}$.
  • C
    In the atmosphere,it is depleted by $CFCs$.
  • D
    In the stratosphere,$CFCs$ release chlorine free radicals $(Cl)$ which react with $O_{3}$ to give chlorine dioxide radicals.

Explore More

Similar Questions

The part of the Earth where life exists,known as the biosphere,is composed of which components?

Which of the following is responsible for the greenhouse effect?

The correct sequence of atmospheric layers starting from the Earth is:

$NO_2$ and $O_3$ react with unburnt hydrocarbons in polluted air to form .....

The pair of gases responsible for acid rain are

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo