Ozone is an elemental molecule with formula O3. An explosive, pale blue gas (b.p. -112℃) that has a characteristic, pleasant odour, it is continuously produced in the upper atmosphere by the action of solar ultraviolet radiation on atmospheric oxygen.
What is the ozone classified as?
Ozone is one of the six common air pollutants identified in the Clean Air Act. EPA calls these “criteria air pollutants” because their levels in outdoor air need to be limited based on health criteria. There are national ambient air quality standards (NAAQS) for each of the criteria pollutants.May 5, 2021
What is ozone answer in one word?
Ozone is a colourless gas which is a form of oxygen. There is a layer of ozone high above the earth's surface. Ozone is best known for its role in screening the Earth from harmful ultraviolet rays from the Sun.
What is ozone and example?
Ozone is a gas that is pale-blue, unstable and a form of oxygen. An example of ozone is a gas used to purify water. noun. (chemistry) An allotrope of oxygen (symbol O3) having three atoms in the molecule instead of the usual two; it is a blue gas, generated from oxygen by electrical discharge. noun.
What does the ozone do?
Ozone in the upper atmosphere--referred to as "stratospheric ozone"--helps filter out damaging ultraviolet radiation from the sun. Though ozone in the stratosphere is protective, ozone in the atmosphere - which is the air we breathe - can be harmful to the respiratory system.