Chemistry An example of major air pollutant is Oxygen Carbon monoxide Carbon dioxide Helium Oxygen Carbon monoxide Carbon dioxide Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry When formaldehyde and potassium hydroxide are heated, we get Ethyl formate Methyl alcohol Acetylene Methane Ethyl formate Methyl alcohol Acetylene Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as anesthetic ? NO2 NH3 N2O NO NO2 NH3 N2O NO ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ionisation energy of nitrogen is greater than that of oxygen because nitrogen has High bond dissociation energy High nuclear charge Smaller atomic radius Stable half filled 2p sub level High bond dissociation energy High nuclear charge Smaller atomic radius Stable half filled 2p sub level ANSWER DOWNLOAD EXAMIANS APP
Chemistry Alum is used as A purifier for water A disinfectant A fertilizer An analgesic A purifier for water A disinfectant A fertilizer An analgesic ANSWER DOWNLOAD EXAMIANS APP
Chemistry The charcoal used to decolourise brown sugar solution is Animal charcoal Sugar charcoal Coconut charcoal Wood charcoal Animal charcoal Sugar charcoal Coconut charcoal Wood charcoal ANSWER DOWNLOAD EXAMIANS APP