Chemistry Which of the following is a secondary pollutant ? SO2 CO NO PAN SO2 CO NO PAN ANSWER DOWNLOAD EXAMIANS APP
Chemistry Lead pencil contains Lead sulphide Lead Graphite Ferrous sulphide Lead sulphide Lead Graphite Ferrous sulphide ANSWER DOWNLOAD EXAMIANS APP
Chemistry J.J. Thomson’s proposed model of atom is generally called ________ model. Plum and cake Cream and cake Plum and pudding Cream and pudding Plum and cake Cream and cake Plum and pudding Cream and pudding ANSWER DOWNLOAD EXAMIANS APP
Chemistry Most poisonous pollutant in water is Detergent Arsenic Zinc Phosphate Detergent Arsenic Zinc Phosphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gobar gas mainly contains Methane Carbon dioxide Carbon monoxide Hydrogen sulphide Methane Carbon dioxide Carbon monoxide Hydrogen sulphide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used to dilute oxygen for breathing by deep sea divers is: Neon Argon Helium Nitrogen Neon Argon Helium Nitrogen ANSWER DOWNLOAD EXAMIANS APP
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