Chemistry Who modified Bohr's theory by introducing elliptical orbits for electron path Hund Thomson Rutherford Sommerfeld Hund Thomson Rutherford Sommerfeld ANSWER DOWNLOAD EXAMIANS APP
Chemistry Name two elements that find wide application in transistor industry Silicon and Germanium Iridium and Germanium Tungsten and Platinum Carbon and Platinum Silicon and Germanium Iridium and Germanium Tungsten and Platinum Carbon and Platinum ANSWER DOWNLOAD EXAMIANS APP
Chemistry Alcohol prepared by the distillation of wood is : Propyl alcohol Glycerol Ethyl alcohol Methyl alcohol Propyl alcohol Glycerol Ethyl alcohol Methyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The product, 9-nitroanthracene is obtained from anthracene by the action of Nitric acid and ethyl alcohol Nitric acid and acetic anhydride Nitric acid in excess Nitric acid and acetic acid Nitric acid and ethyl alcohol Nitric acid and acetic anhydride Nitric acid in excess Nitric acid and acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The minimum energy required for an effective collision is Internal energy Activation energy Threshold energy Free energy Internal energy Activation energy Threshold energy Free energy ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemical materials is responsible for the depletion of ozone layer in the atmosphere ? Nitrous oxide Carbon dioxide Sulphur dioxide Chlorofluorocarbon Nitrous oxide Carbon dioxide Sulphur dioxide Chlorofluorocarbon ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS