International day for the preservation of the ozone layer

Ozone Ozone is an inorganic molecule. Its chemical formula is O3. It is a pale blue gas with pungent smell.  It is formed by the combination of dioxygen and atmospheric electrical discharges by the action of ultraviolet light. Its molecular mass is 48g/mol and density is 2.14 kg/m³. Boiling and melting points of O3 gas is -122 °C and -192.2 °C….