1- Oxygen is a chemical Element and it is define with the symbol ‘O’.
2- Oxygen was discovered by the Joseph Priestley, Antoine Lavoisier and Carl Wilhelm Scheele.
3- Oxygen is tasteless, colourless and Odourless Gas.
4- There is 21% Oxygen in earth’s atmosphere.
5- Atomic number of the Oxygen is ‘8’.
6- Oxygen is very essential for our life as without oxygen we cannot take breath.
7- Scientists believe that 50-80% of world’s Oxygen comes from the ocean. Tiny plants like ‘Phytoplankton’ of the ocean has very important role in production of oxygen.
8- Oxygen is used for respiration in Hospitals. Oxygen is very important in the treatment of many diseases like Pneumonia, Emphysema, Pulmonary Artery Pressure etc.
9- Oxygen is also used in Steel factory, Plastic Factory, Welding, Aircraft, Submarines, Spaceflight, Mountaineering and Diving.
10- Oxygen is not flammable but it helps in combustion.