प्रयोगशालामा नाइट्रोजन ग्याँसको उत्पादन/ Laboratory Preparation of Nitrogen (N2) Gas.

Nitrogen compounds have a very long history, ammonium chloride having been known to Herodotus. They were well-known by the Middle Ages. Alchemists knew nitric acid as aqua fortis (strong water), as well as other nitrogen compounds such as ammonium salts and nitrate salts. The mixture of nitric and hydrochloric acids was known as aqua regia (royal water), celebrated for its ability to dissolve gold, the king of metals.[6] Nitrogen is the chemical element with the symbol N and atomic number 7. Nitrogen is a nonmetal and the lightest member of group 15 of the periodic table, often called the pnictogens. It is a common element in the universe, estimated at seventh in total abundance in the Milky Way and the Solar System. At standard temperature and pressure, two atoms of the element bond to form N2, a colorless and odorless diatomic gas. N2 forms about 78% of Earth's atmosphere, making it the most abundant uncombined element in air. Because of the volatility of nitrogen compounds, nitrogen is relatively rare in the solid parts of the Earth. It was discovered and isolated by Scottish physician Daniel Rutherford in 1772, (first publication). Carl Wilhelm Scheele and Henry Cavendish independently did so at about the same time. The name nitrogène was suggested by French chemist Jean-Antoine-Claude Chaptal in 1790 when it was found that nitrogen was present in nitric acid and nitrates. Antoine Lavoisier suggested instead the name azote, from the Ancient Greek: ἀζωτικός "no life", as it is an asphyxiant gas; this name is used in a number of languages, and appears in the English names of some nitrogen compounds such as hydrazine, azides and azo compounds. In this video I will explain and demonstrate the process of laboratory preparation of Nitrogen gas, test of Nitrogen gas and also describe about precautions rules while doing this practical work. Similarly I am explaining the physical and chemical properties and uses of Nitrogen gas and many other useful information about Nitrogen gas. #science #Nitrogen #scienceexperiment #sciencepractical #Science teaching #gases