The portal has been deactivated. Please contact your portal admin.

Practice: The Ozone Layer

In high concentrations, the color of ozone can be observed. What color is ozone gas?

  • AGreen
  • BPale blue
  • CPale yellow
  • DDark blue
  • EWhite

Correct Answer

Incorrect Answer

Action required

Nagwa uses cookies to ensure you get the best experience on our website. Learn more about our Privacy Policy.