Both NO and N02 are toxic substances that are harmful to humans and organisms. The affinity of NO and hemoglobin is several hundred times greater than that of CO and hemoglobin, which poses a great threat to life. N02 is more toxic, about 4-5 times that of NO.
Nitrogen oxides are harmful to plants. According to relevant information, nitrogen oxides with a concentration of 2.5×10-6 in a volume of 7 hours will turn leaves of beans, tomatoes and other crops into white, many plants will Injury due to injury, in addition, nitrogen oxides can fade acetate, cotton and rayon.
NOx is one of the main causes of acid mist and acid rain. NOx undergoes a series of transformations in the atmosphere to form acidic rain mist such as nitric acid, nitrate or nitrite, which poses great harm to nature.
Nitrogen oxides and hydrocarbons form photochemical smog.
