Chemistry The chemical formula of the laughing gas is N2O N2O3 NO2 NO N2O N2O3 NO2 NO ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used as a sowing agent in the preparation of soft drinks? Phosphoric acid Salicylic acid Boric acid Phosphorus acid Phosphoric acid Salicylic acid Boric acid Phosphorus acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The electronic configuration of an atom having atomic number ‘20’ is 2, 8, 8, 2 2, 8, 10 2, 6, 8, 4 2, 10, 8 2, 8, 8, 2 2, 8, 10 2, 6, 8, 4 2, 10, 8 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ‘Green House effect’ is produced due to the presence of excess amount of Nitrogen dioxide Sulphur dioxide Methane Carbon monoxide Nitrogen dioxide Sulphur dioxide Methane Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Heating of a ore below its melting point in the absence of air is known as Calcination Smelting Refining Roasting Calcination Smelting Refining Roasting ANSWER DOWNLOAD EXAMIANS APP
Chemistry The polymer used in making plastic crockery is Decron Bakelite Melamine Nylon Decron Bakelite Melamine Nylon ANSWER DOWNLOAD EXAMIANS APP