Chemistry An example of major air pollutant is Carbon dioxide Helium Oxygen Carbon monoxide Carbon dioxide Helium Oxygen Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Exposure to mixtures of chemicals are greater than expected on the basis of effects of exposure to each chemical individually. This is known as Antagonism Synergism Additives Independent Antagonism Synergism Additives Independent ANSWER DOWNLOAD EXAMIANS APP
Chemistry The depletion of ozone layer is due to Sulphur dioxide Carbon dioxide Chloro fluoro carbon Ethane Sulphur dioxide Carbon dioxide Chloro fluoro carbon Ethane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ionisation energy of nitrogen is greater than that of oxygen because nitrogen has Stable half filled 2p sub level High bond dissociation energy High nuclear charge Smaller atomic radius Stable half filled 2p sub level High bond dissociation energy High nuclear charge Smaller atomic radius ANSWER DOWNLOAD EXAMIANS APP
Chemistry The inert gases are ____ in water sparingly soluble soluble insoluble None of these sparingly soluble soluble insoluble None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron filings can be separated from a heterogenous mixture using the technique of : Sublimation Evaporation Magnetization Sedimentation Sublimation Evaporation Magnetization Sedimentation ANSWER DOWNLOAD EXAMIANS APP