Chemistry The filter over which sewage is sprinkled is called as Trickling filter Contact bed Percolating filter Intermittent sand filter Trickling filter Contact bed Percolating filter Intermittent sand filter ANSWER DOWNLOAD EXAMIANS APP
Chemistry Main source of lead pollution is from Tobacco Leaded gasoline Sewage Insecticides Tobacco Leaded gasoline Sewage Insecticides ANSWER DOWNLOAD EXAMIANS APP
Chemistry An example of major air pollutant is Oxygen Helium Carbon dioxide Carbon monoxide Oxygen Helium Carbon dioxide Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which type of radiations are absorbed by the upper layer of the atmosphere? Visible Radio-waves Ultraviolet Infrared Visible Radio-waves Ultraviolet Infrared ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sulphur dioxide level in the atmosphere can be reduced by using Static electricity to attract it in factory chimneys Catalytic converters in industry More efficient car engines Low - sulphur fuels Static electricity to attract it in factory chimneys Catalytic converters in industry More efficient car engines Low - sulphur fuels ANSWER DOWNLOAD EXAMIANS APP
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