Chemistry Commercial nitric acid is coloured because it contains dissolved : Nitrous oxide Nitrogen dioxide Oxygen Coloured impurities Nitrous oxide Nitrogen dioxide Oxygen Coloured impurities ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aluminium chloride is Lewis Base Arrhenius Acid Lewis Acid Bronsted Lowry Acid Lewis Base Arrhenius Acid Lewis Acid Bronsted Lowry Acid 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 ethyl alcohol Nitric acid and acetic anhydride Nitric acid in excess Nitric acid and acetic acid Nitric acid and ethyl alcohol Nitric acid and acetic anhydride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical composition of cement is Limestone and Gypsum Clay and Gypsum Limestone, Clay and Gypsum Limestone and Clay Limestone and Gypsum Clay and Gypsum Limestone, Clay and Gypsum Limestone and Clay ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas dissolved in water that makes it basic is : Hydrogen Carbon dioxide Sulphur dioxide Ammonia Hydrogen Carbon dioxide Sulphur dioxide Ammonia ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main active constituent of tea and coffee is nicotine caffeine chlorophyll aspirin nicotine caffeine chlorophyll aspirin ANSWER DOWNLOAD EXAMIANS APP
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