Thus, NO₂ is brown in color and acidic in nature, making option (C) the correct answer.
NO₂ (Nitrogen dioxide) is a brown gas and it is acidic in nature because it dissolves in water to form nitric acid (HNO₃) and nitrous acid (HNO₂).
When a bar magnet is pushed towards the coil, along its axis, as shown in the figure, the galvanometer pointer deflects towards X. When this magnet is pulled away from the coil, the galvanometer pointer
In a practical examination, the following pedigree chart was given as a spotter for identification. The students identify the given pedigree chart as