Chemistry Who modified Bohr's theory by introducing elliptical orbits for electron path Thomson Hund Sommerfeld Rutherford Thomson Hund Sommerfeld Rutherford ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nucleus of an atom consists of. Electron, Proton and Neutron Neutron Proton Proton and Neutron Electron, Proton and Neutron Neutron Proton Proton and Neutron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following metals pollutes the air of a city having large number of automobiles? Chromium Cadmium Copper Lead Chromium Cadmium Copper Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry The important ore of aluminium is Bauxite Cryolite Haematite Fluorspar Bauxite Cryolite Haematite Fluorspar ANSWER DOWNLOAD EXAMIANS APP
Chemistry Zinc sulphide is commonly used as Fungicide Herbicide Rodenticide Deodorant Fungicide Herbicide Rodenticide Deodorant ANSWER DOWNLOAD EXAMIANS APP
Chemistry In upper layer of atmosphere ozone is formed by The action of ultraviolet rays on oxygen Subjecting oxygen to high pressure The combination of oxygen molecules The action of nitrogen on oxygen in atmosphere The action of ultraviolet rays on oxygen Subjecting oxygen to high pressure The combination of oxygen molecules The action of nitrogen on oxygen in atmosphere ANSWER DOWNLOAD EXAMIANS APP