Physical properties :
→ It is colourless, odourless and taseless gas.
→ Nitrogen is neither combustible nor a supporter of combustion.
Chemical properties :
→ Under suitable circumstances, nitrogen combines with other elements and produces compound
→ Nitrogen combines with oxygen and forms nitric oxide.
N2Nitrogen+O2Oxygen→2NONitricoxide
→ However, when nitric oxide dissolves in water, nitric acid is produced.