Class 12 p-Block Elements Class 12 NotesBy Dr. Vikas JasrotiaMay 11, 2021 p-Block Elements Class 12 Notes p-Block Elements Class 12 Notes The elements in which the last electron enters in the…
Class 12 Compounds and Properties of NitrogenBy Dr. Vikas JasrotiaDecember 7, 2020 Compounds and Properties of Nitrogen Dinitrogen Preparation of Dinitrogen: Dinitrogen is produced commercially by the liquefaction and fractional distillation of…