Chemistry If lime water is kept in the air, it turns milky due to presence of : Oxygen Nitrogen Sulphurdioxide Carbondioxide Oxygen Nitrogen Sulphurdioxide Carbondioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The open "Sigrees" or coal stoves often require fanning to sustain burning because of Accumulation of smoke and dust over the sigrees Interrupted release of moisture from the material Tendency of carbon dioxide to form a layer along with dust smoke Lack of oxygen in the surroundings of sigrees Accumulation of smoke and dust over the sigrees Interrupted release of moisture from the material Tendency of carbon dioxide to form a layer along with dust smoke Lack of oxygen in the surroundings of sigrees ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following appeared to be with a significant potential for accumulation through food chains ? Parathion DDT Lindane Carbary Parathion DDT Lindane Carbary ANSWER DOWNLOAD EXAMIANS APP
Chemistry In deep-sea diving, divers use a mixture of gases consisting of oxygen and Hydrogen Argon Helium Nitrogen Hydrogen Argon Helium Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used to restore the colour of old oilpaintings ? Ozone Sodium peroxide Barium peroxide Hydrogen peroxide Ozone Sodium peroxide Barium peroxide Hydrogen peroxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following group of gases contributes to the 'Green House Effect'? Carbon tetraflouride and Nitrous oxide Carbon dioxide and Methane Ammonia and Ozone Carbon monoxide and Sulphur dioxide Carbon tetraflouride and Nitrous oxide Carbon dioxide and Methane Ammonia and Ozone Carbon monoxide and Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP