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What is the formula of Ozone?
1. O3
2. O2
3. O
4. O4

1 Answer

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Best answer
Correct Answer - Option 1 : O3

The correct answer is O3.

  • Ozone is a gas that is naturally present in our atmosphere. Each ozone molecule contains three atoms of oxygen and is denoted chemically as O3.

  • A molecule of ozone (O3) contains three oxygen (O) atoms bound together.
    • Oxygen molecules (O2), which constitute 21% of the gases in Earth's atmosphere, contain two oxygen atoms bound together.

  • Stratospheric ozone is considered good for humans and other life forms because it absorbs ultra-violet (UV)-B radiation from the Sun.
    • If not absorbed, UV-B would reach Earth's surface in amounts that are harmful to a variety of life forms.
  • Ozone or “O3” is a colourless gas composed of three atoms of oxygen (O3).
    • There are two types of ozone, both “good” ozone, and “bad” ozone.
  • Most atmospheric ozone is concentrated in a layer in the stratosphere, about 9 to 18 miles (15 to 30 km) above the Earth's surface (see the figure below). Ozone is a molecule that contains three oxygen atoms.
  • Tropospheric ozone (often termed "bad" ozone) is man-made, a result of air pollution from internal combustion engines and power plants.
    • Automobile exhaust and industrial emissions release a family of nitrogen oxide gases (NOx) and volatile organic compounds (VOC), by-products of burning gasoline and coal.

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