Chemistry Main source of lead pollution is from Insecticides Tobacco Leaded gasoline Sewage Insecticides Tobacco Leaded gasoline Sewage ANSWER DOWNLOAD EXAMIANS APP
Chemistry White coal is Hydro-electricity Uranium None of these Diamond Hydro-electricity Uranium None of these Diamond ANSWER DOWNLOAD EXAMIANS APP
Chemistry Heavy metals got their name because compared to other atoms they have Higher atomic radii Higher densities Higher atomic numbers Higher atomic masses Higher atomic radii Higher densities Higher atomic numbers Higher atomic masses ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas that usually causes explosions in coal mines is Air Hydrogen Carbon monoxide Methane Air Hydrogen Carbon monoxide Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Smoke is formed due to Gas dispersed in gas Solid dispersed in gas Solid dispresed in liquid Gas dispresed in solid Gas dispersed in gas Solid dispersed in gas Solid dispresed in liquid Gas dispresed in solid ANSWER DOWNLOAD EXAMIANS APP
Chemistry In drinking water supply, which of the following treatments is not involved Softening Coagulation Disinfection Sedimentation Softening Coagulation Disinfection Sedimentation ANSWER DOWNLOAD EXAMIANS APP
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