Chemistry Now-a-days yellow lamps are frequently used as street lights. Which of the following gases is used in these lamps ? Neon Hydrogen Sodium Nitrogen Neon Hydrogen Sodium Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major harmful gas emitted by automobile vehicles which causes air pollution is Ozone gas Carbon dioxide Carbon Monoxide Methane Ozone gas Carbon dioxide Carbon Monoxide Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a nutrient like fertilizer is present in large quantities in a water bodies, plants grow and decay in large numbers because of suffocating of pond that does not leave enough oxygen needed to support life. This type of pollution is called Green house effect Smog None of these Eutrophication Green house effect Smog None of these Eutrophication ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a monoatomic gas? Neon Nitrogen Oxygen Fluorine Neon Nitrogen Oxygen Fluorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry L.P.G. is mostly liquefied Oxygen Butane Hydrogen Methane Oxygen Butane Hydrogen Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aspirin is Acetyl Salicilic acid Phenyl Salicilate Methoxy benzoic acid Methyl Salicilate Acetyl Salicilic acid Phenyl Salicilate Methoxy benzoic acid Methyl Salicilate ANSWER DOWNLOAD EXAMIANS APP