Chemistry The filter over which sewage is sprinkled is called as Intermittent sand filter Trickling filter Percolating filter Contact bed Intermittent sand filter Trickling filter Percolating filter Contact bed ANSWER DOWNLOAD EXAMIANS APP
Chemistry Main source of lead pollution is from Insecticides Sewage Tobacco Leaded gasoline Insecticides Sewage Tobacco Leaded gasoline ANSWER DOWNLOAD EXAMIANS APP
Chemistry An example of major air pollutant is Carbon monoxide Helium Oxygen Carbon dioxide Carbon monoxide Helium Oxygen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which type of radiations are absorbed by the upper layer of the atmosphere? Ultraviolet Radio-waves Infrared Visible Ultraviolet Radio-waves Infrared Visible 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
EXAMIANS