Chemistry The heaviest naturally occurring element is: Uranium Mercury Polonium Thorium Uranium Mercury Polonium Thorium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sodium is produced by the electrolysis of Molten sodium carbonate Molten sodium chloride Its cyanide complex Aqueous brine solution Molten sodium carbonate Molten sodium chloride Its cyanide complex Aqueous brine solution ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the lightest element in the periodic table Carbon Helium Hydrogen Oxygen Carbon Helium Hydrogen Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the principal ore of aluminium ? Copper Lignite Dolomite Bauxite Copper Lignite Dolomite Bauxite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compound used in pricklyheat powder to prevent excessive sweating is Carbonic acid Sulphuric acid Boric acid Phosphoric acid Carbonic acid Sulphuric acid Boric acid Phosphoric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Pollutant from motor car exhaust that causes mental disease is NO2 Hg Lead SO2 NO2 Hg Lead SO2 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS