Chemistry The major harmful gas emitted by automobile vehicle which causes air pollution is Ozone gas Methane Carbon dioxide Carbon Monoxide Ozone gas Methane Carbon dioxide Carbon Monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry When cathode rays strike a target of high atomic weight, they give rise to X-rays ?-rays ? and ? rays Positive rays X-rays ?-rays ? and ? rays Positive rays ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main source of Naphthalene is Coal-tar Diesel Charcoal Camphor Coal-tar Diesel Charcoal Camphor ANSWER DOWNLOAD EXAMIANS APP
Chemistry The scientist who experimentally proved the existance of positron is Fermi Bethe Bohr Anderson Fermi Bethe Bohr Anderson ANSWER DOWNLOAD EXAMIANS APP
Chemistry Vulcanized rubber contains sulphur 3-5% 10-15% 0.02 7-9% 3-5% 10-15% 0.02 7-9% ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to remove rust stains on cloth? Lime Petrol Kerosene Oxalic acid solution Lime Petrol Kerosene Oxalic acid solution ANSWER DOWNLOAD EXAMIANS APP