What is a Nitrogen dioxide (NO₂) ?

Nitrogen dioxide (NO₂) is an inorganic compound consisting of nitrogen (N) and oxygen (O). It is a reddish-brown gas that is harmful when present in high concentrations in the atmosphere, especially affecting the respiratory system.

Main applications:
✅ Used as a raw material in chemical industries for producing nitric acid and fertilizers.
✅ Often used as an indicator of air pollution, primarily emitted from vehicle exhausts and industrial processes.
✅ It can also serve as a catalyst in oxidation reactions.
Safety note:
✅ Toxic and corrosive, nitrogen dioxide should be handled with care. Inhalation at high concentrations can cause respiratory distress and pneumonia.
✅ It contributes to global warming and acid rain formation.

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