Chemistry The natural source of hydro-carbon is Coal Carbohydrates Crude oil Biomass Coal Carbohydrates Crude oil Biomass ANSWER DOWNLOAD EXAMIANS APP
Chemistry In which of the following states maximum iron ore is found ? Fe3O4 FeCO3 Fe2O3 FeS2 Fe3O4 FeCO3 Fe2O3 FeS2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The product, 9-nitroanthracene is obtained from anthracene by the action of Nitric acid in excess Nitric acid and acetic acid Nitric acid and acetic anhydride Nitric acid and ethyl alcohol Nitric acid in excess Nitric acid and acetic acid Nitric acid and acetic anhydride Nitric acid and ethyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry In silvery paints, the main constituent present is Silver powder Aluminium powder Lead powder White lead Silver powder Aluminium powder Lead powder White lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry The electronic configuration of an atom having atomic number ‘20’ is 2, 8, 8, 2 2, 10, 8 2, 6, 8, 4 2, 8, 10 2, 8, 8, 2 2, 10, 8 2, 6, 8, 4 2, 8, 10 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used for filling weather balloons is Nitrogen Air Hydrogen Helium Nitrogen Air Hydrogen Helium ANSWER DOWNLOAD EXAMIANS APP