Question

<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> Consider the following statements about ozone:

Select the correct statement/s

• A.
  1 and 3 only
• B.
  1 and 2 only
• C.
  2 and 3 only
• D.
  1,2 and 3

Answer 1

The correct option is A

1 and 3 only
<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> Ozone is present naturally in Earth’s atmosphere.
It contains three atoms of oxygen. (Triatomic)
It is an unstable molecule.
It can be broken down through its interaction with man-made compounds in the upper atmosphere.
It is the stratospheric ozone which blocks the harmful UV rays.