Chemistry Which of the following chemicals is responsible for depletion of ozone layer in the atmosphere? Chlorofluorocarbons Sulphur dioxide Nitrous oxide Carbon dioxide Chlorofluorocarbons Sulphur dioxide Nitrous oxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The pH of lemon juice is expected to be Less than 7 More than 7 Equal to 7 Nothing can be predicted Less than 7 More than 7 Equal to 7 Nothing can be predicted ANSWER DOWNLOAD EXAMIANS APP
Chemistry Soap helps in better cleaning of clothes because It absorbs the dirt It gives strength to solution It reduces the surface tension of solution Soap acts like catalyst It absorbs the dirt It gives strength to solution It reduces the surface tension of solution Soap acts like catalyst ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ‘Green House effect’ is produced due to the presence of excess amount of Carbon monoxide Nitrogen dioxide Sulphur dioxide Methane Carbon monoxide Nitrogen dioxide Sulphur dioxide Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the simplest aromatic hydrocarbon Aspirin Benzene Chloride Picric acid Aspirin Benzene Chloride Picric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron filings can be separated from a heterogenous mixture using the technique of : Evaporation Sublimation Sedimentation Magnetization Evaporation Sublimation Sedimentation Magnetization ANSWER DOWNLOAD EXAMIANS APP