Chemistry The major harmful gas emitted by automobile vehicles which causes air pollution is Carbon dioxide Ozone gas Methane Carbon Monoxide Carbon dioxide Ozone gas Methane Carbon Monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as a preservative to protect processed food? Sodium sulphate Sodium metabisulphite Saccharin BHT Sodium sulphate Sodium metabisulphite Saccharin BHT ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main constituent of biogas is Methyl alcohol Methane Oxygen Acetic acid Methyl alcohol Methane Oxygen Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas that causes suffocation and death when coal or coke is burnt in a closed room is Ethane Carbon di-oxide Methane Carbon monoxide Ethane Carbon di-oxide Methane Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following pollutants is main product of automobile exhaust ? NO CO2 Hydrocarbons CO NO CO2 Hydrocarbons CO ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the lightest element in the periodic table Oxygen Carbon Helium Hydrogen Oxygen Carbon Helium Hydrogen ANSWER DOWNLOAD EXAMIANS APP