Oxygen

Chemical and Physical properties: 

Oxygen is colorless, odorless and tasteless. It is nonflammable but supports combustion and life. Almost all materials burn and make force in presence of oxygen. The atmosphere consists of 20.95% oxygen. The boiling temperature of oxygen is -183°C with transparent blue color and is slightly heavier than water.

uses of gases by industry:

• Steel fabrications industry “Cutting, Welding & Brazing”
• Oxidation and fermentation industry
• water treatment
• production of other gases
• high altitude flying
• medical sector