Chemistry The chemical formula of the laughing gas is N2O3 NO N2O NO2 N2O3 NO N2O NO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Among the following iron ores, the highest percentage of iron content is found in– Limnonite Magnetite None of these Haemetite Limnonite Magnetite None of these Haemetite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements exhibits the greatest tendency to lose electrons ? Lithium Oxygen Fluorine Zinc Lithium Oxygen Fluorine Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry Limestone is a raw material used by which industry? Fertilizers Petrochemicals Cement Aluminium Fertilizers Petrochemicals Cement Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a man-made source of air pollution ? Bacterial action in soil and swamp areas Automobile exhaust All of these Forest fire Bacterial action in soil and swamp areas Automobile exhaust All of these Forest fire ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a greenhouse gas ? Chlorofluorocarbon Nitric oxide Carbon dioxide Hydrogen Chlorofluorocarbon Nitric oxide Carbon dioxide Hydrogen ANSWER DOWNLOAD EXAMIANS APP