Chemistry Higher concentration of nitrogen dioxide in atmosphere air causes Corrosion Bronchitis Cancer Asphyxiation Corrosion Bronchitis Cancer Asphyxiation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silver gets corroded due to ________ in air. Oxygen Hydrogen Sulphide Carbon dioxide Nitrogen Oxygen Hydrogen Sulphide Carbon dioxide Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry What happens when a chemical bond is formed ? Energy is always absorbed Energy is neither released nor absorbed More energy is released than is absorbed Energy in always released Energy is always absorbed Energy is neither released nor absorbed More energy is released than is absorbed Energy in always released ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following elements is found in all organic compounds Nitrogen Calcium Carbon Oxygen Nitrogen Calcium Carbon Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Diamond is harder than graphite because of : Difference in layers of atoms Difference of crystalline structures Tetrahedral structure of diamond None of these Difference in layers of atoms Difference of crystalline structures Tetrahedral structure of diamond None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of 'Hypo' commonly used in photography is Silver iodide Silver nitrate Sodium nitrate Sodium thiosulphate Silver iodide Silver nitrate Sodium nitrate Sodium thiosulphate ANSWER DOWNLOAD EXAMIANS APP