Chemistry If water smells bad, then that odour can be removed by adding Bleach Alum Deactivated nitrogen Activated carbon Bleach Alum Deactivated nitrogen Activated carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Rock salt is a mineral containing Magnesium Sodium Iron Potassium Magnesium Sodium Iron Potassium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The name of unreactive gas is Nitrogen Hydrogen Carbon dioxide Oxygen Nitrogen Hydrogen Carbon dioxide Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Soap is prepared by boiling caustic soda with Fats Kerosene oil Glycerine Alcohol Fats Kerosene oil Glycerine Alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The term 'brown air' is used for Sulphurous smog Acid fumes Industrial smog Photochemical smog Sulphurous smog Acid fumes Industrial smog Photochemical smog ANSWER DOWNLOAD EXAMIANS APP
Chemistry Carbon footprint can be reduced by Commuting by public transport All of these Using energy efficient appliances Recycling waste materials Commuting by public transport All of these Using energy efficient appliances Recycling waste materials ANSWER DOWNLOAD EXAMIANS APP