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What is the chemical formula for ozone?

ACO2
BO2
CO3
DCO

Explanation

Ozone has the chemical formula O3, consisting of three oxygen atoms bonded together, compared to the two atoms in the oxygen we normally breathe, O2. In the upper atmosphere, the ozone layer absorbs most of the sun’s harmful ultraviolet radiation, protecting life on Earth. At ground level, however, ozone is considered a pollutant and can be harmful to respiratory health. Explore more Everyday Science MCQs on mcqstutor to keep practicing.

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