What Does Ozone Mean?

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Arun Raj answered
Ozone is a powerful allotropic form of the oxygen element. In other words, the molecule of ozone consists of three atoms of oxygen, written in chemical form as O3.

The ozone gas is blue in colour and the liquid and solid forms of ozone are bluish black in colour. Ozone is said to be the most chemically active form of oxygen. It is also irritating to the mucous membranes and can be toxic to both humans and animals. Ozone is formed in electrical discharge passing through air or oxygen, and causes a pungent odour in the air especially after thunderstorms. Ozone is used in bleaching, water purification, deodorization and any other chemical reaction that needs a powerful oxidizing agent. Ozone is a power bleaching agent compared to chlorine, sulphur-dioxide or hydrogen peroxide.

Ozone is also present in small amounts in the ozone layer of the stratosphere. The function of the ozone layer is to absorb the powerful ultra-violet radiation (UV radiation) that can cause skin cancer and other diseases. Closer to the surface of the earth, ozone adds to air pollution and the gas produced by auto emissions in the presence of sunlight can cause smog.

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