Chemistry Which of the following pollutants is main product of automobile exhaust ? CO NO Hydrocarbons CO2 CO NO Hydrocarbons CO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following gases is mixed with oxygen for breathing by divers in aqua lungs? Helium Nitrogen Methane Hydrogen Helium Nitrogen Methane Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following has greatest mass ? Proton Neutron Electron Hydrogen nucleus Proton Neutron Electron Hydrogen nucleus ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used for filling weather balloons is Nitrogen Air Helium Hydrogen Nitrogen Air Helium Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which colour is produce by Arsenic during flame test Red Green Crimson Blue Red Green Crimson Blue ANSWER DOWNLOAD EXAMIANS APP
Chemistry Among the following iron ores, the highest percentage of iron content is found in– Magnetite None of these Limnonite Haemetite Magnetite None of these Limnonite Haemetite ANSWER DOWNLOAD EXAMIANS APP