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OZONE
Ozone is a colourless gas. It is also called trioxygen (O3) and is a highly unstable triatomic allotropic form of oxygen. It occurs in the free state in the atmosphere at about 20Km above the sea level. It is charecterised by

Melting point -192.7OC

Boiling point -111.9OC

It is soluble in water and […]

OXYGEN
Oxygen is a colourless, odourless and a gaseous element belonging to the VIth group of the periodic table. In the natural state it occurs in the atmosphere, about 21% by volume. It is an essential component of all living matter. It is the most abundant element and forms about one-half of the earth’s crust ( […]