Chemistry Mercury is emitted into air by Coal fire Steam engine Burning garbage Burning coal Coal fire Steam engine Burning garbage Burning coal ANSWER DOWNLOAD EXAMIANS APP
Chemistry J.J. Thomson’s proposed model of atom is generally called ________ model. Cream and pudding Cream and cake Plum and cake Plum and pudding Cream and pudding Cream and cake Plum and cake Plum and pudding ANSWER DOWNLOAD EXAMIANS APP
Chemistry The depletion of Ozone layer is mainly due to Radioactive rays Volcanic eruptions Aviation fuels Chlorofluorocarbons Radioactive rays Volcanic eruptions Aviation fuels Chlorofluorocarbons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Particulates (< 1 µm size) remaining suspended in air indefinitely and transported by wind currents are called Aerosols Fumes Smoke Mists Aerosols Fumes Smoke Mists ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most extensive, commercially useful source of thorium as monazite sand occurs in India at Orissa coast West Bengal coast Gujarat coast Travancore coast Orissa coast West Bengal coast Gujarat coast Travancore coast ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cooking gas is a mixture of Methane and ethylene Carbon dioxide and oxygen Butane and propane Carbon monoxide and carbon dioxide Methane and ethylene Carbon dioxide and oxygen Butane and propane Carbon monoxide and carbon dioxide ANSWER DOWNLOAD EXAMIANS APP