Chemistry Hydrogen is not found in atmosphere because It is highly inflammable It is the lightest gas It is absorbed by plants It immediately combines with oxygen to form water It is highly inflammable It is the lightest gas It is absorbed by plants It immediately combines with oxygen to form water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used for refrigeration? Phosphine Freon Sulphur dioxide Chlorine Phosphine Freon Sulphur dioxide Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused by SO2 and NO2 CO2and CFCs NO2and particulates SO2 and particulates SO2 and NO2 CO2and CFCs NO2and particulates SO2 and particulates ANSWER DOWNLOAD EXAMIANS APP
Chemistry The alkaloid naturally found in coffee, cocoa and cola nut is Morphine Caffeine Cocaine Tannin Morphine Caffeine Cocaine Tannin ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ‘Green House effect’ is produced due to the presence of excess amount of Carbon monoxide Methane Nitrogen dioxide Sulphur dioxide Carbon monoxide Methane Nitrogen dioxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The nuclear particles which are assumed to hold the nucleons together are electrons mesons positrons neutrons electrons mesons positrons neutrons ANSWER DOWNLOAD EXAMIANS APP