How ozone holes are created in the stratosphere ?

Ozone hole is created by

What are the reactions involved for ozone layer depletion in the stratosphere?

Ozone hole refers to

Statement I: The holes are created in the valence band only if the electrons from the valence band transit to the conduction band. Statement II: Due to applied electric field the hole in a semiconductor gains velocity which is less than that of a free electron.

How is ozone prepared?

The small ozone layer on top of the stratosphere is crucial for human survival. Why?

Consider the proposed mechanism for the destruction of ozone in the stratosphere. O_3 +Cl rarrClO+O_(2)" " ClO +O_(3) rarrCl+2O_2 Which of the statements about this mechanism is/are correct?

How is ozone layer formed?

The ozone layer is present in

Which compound is responsible for hole formation in stratosphere of ozone layer-