Chemistry Warming Ammonium chloride with sodium hydrochloride in a test tube is an example of Isothermal system Isobaric system Open system Closed system Isothermal system Isobaric system Open system Closed system ANSWER DOWNLOAD EXAMIANS APP
Chemistry Pyrethrin used in mosquito coil is obtained from A seed plant A bacterium A fungus An insect A seed plant A bacterium A fungus An insect ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemical materials is responsible for the depletion of ozone layer in the atmosphere ? Chlorofluorocarbon Carbon dioxide Sulphur dioxide Nitrous oxide Chlorofluorocarbon Carbon dioxide Sulphur dioxide Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry If all bullets could not be removed from gun shot injury of a man, it may cause poisoning by Mercury Arsenic Iron Lead Mercury Arsenic Iron Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major harmful gas emitted by automobile vehicles which causes air pollution is Carbon Monoxide Carbon dioxide Ozone gas Methane Carbon Monoxide Carbon dioxide Ozone gas Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sulphur dioxide level in the atmosphere can be reduced by using Catalytic converters in industry Low - sulphur fuels Static electricity to attract it in factory chimneys More efficient car engines Catalytic converters in industry Low - sulphur fuels Static electricity to attract it in factory chimneys More efficient car engines ANSWER DOWNLOAD EXAMIANS APP