Chemistry Heavy metals got their name because compared to other atoms they have Higher atomic masses Higher atomic numbers Higher atomic radii Higher densities Higher atomic masses Higher atomic numbers Higher atomic radii Higher densities ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a natural source of hydrocarbon? Coal Petroleum Mica Natural Gas Coal Petroleum Mica Natural Gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain' is caused due to air - pollution by Carbon dioxide Carbon monoxide Nitrous oxide and sulphur dioxide Methane Carbon dioxide Carbon monoxide Nitrous oxide and sulphur dioxide Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Periodic table contains how many groups 17 18 16 19 17 18 16 19 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bauxite is an alloy of which of the following metals ? Tin Silver Aluminium Iron Tin Silver Aluminium Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The Refrigerant 'FREON' is Difluoro Dichloro Methane Hydrofluosilicic Acid Calcium Tetra Fluoride Fluorspar and Felspar Difluoro Dichloro Methane Hydrofluosilicic Acid Calcium Tetra Fluoride Fluorspar and Felspar ANSWER DOWNLOAD EXAMIANS APP
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