Multiple choice

Which of the following statement is not true about Ozone?

  1. It is very vital for life on earth.

  2. It is formed in atmospheric air by the action of ultra-violet rays on atmospheric oxygen.

  3. It is an allotrope of oxygen.

  4. It is lighter than oxygen.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

 Ozone is heavier than oxygen.

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