10th Class Chemistry MCQS The Atmosphere Online Test 5

the-pollutants-which-are-produced-by-various-reaction-of-primery-pollutants-called-3-a_-_secondary-pollutants,the-stratosphere-layer-is-at-height-above-the-earths-27-surface-3-a_-_12-50-km,thermosphere-layeris-at-height-above-earth-surface-is-3-a_-_85-120-km,what-percentage-of-nitrogen-and-oxygen-is-in-the-atmosphere-3-f_-_99-25,which-gas-protects-the-earth-27-s-surface-from-ultra-violet-radiations-3-f_-_o-3-csub-3-e-3-3-c-2-fsub-3-e,which-gas-saves-the-surface-of-earth-from-ultra-violet-radiation-3-a_-_o-3-csub-3-e-3-3-c-2-fsub-3-e,which-metal-affect-the-aquatic-life-by-clogging-fish-gills-3-f_-_aluminum,which-metal-present-in-acid-rain-affects-the-aquatic-life-by-clogging-fish-gills-3-f_-_aluminum,which-one-of-the-following-gas-has-greater-retaining-capacity-3-f_-_co-3-csub-3-e-2-3-c-2-fsub-3-e,which-one-of-the-following-is-not-an-air-pollutant-3-a_-_o-3-csub-3-e-3-3-c-2-fsub-3-e,which-pollutant-is-not-found-in-car-exhaust-gases-3-f_-_so-3-csub-3-e-2-3-c-2-fsub-3-e,which-sphere-is-just-above-the-earth-27-s-surface-3-f_-_troposphere