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