Chemistry An inert gas mixed with oxygen given to patients suffering from restricted breathing is Helium Radon Krypton Argon Helium Radon Krypton Argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Now-a-days yellow lamps are frequently used as street lights. Which of the following gases is used in these lamps ? Hydrogen Nitrogen Neon Sodium Hydrogen Nitrogen Neon Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Stains of rust on clothes can be removed by : Oxalic acid Alcohol H2O2 Petrol Oxalic acid Alcohol H2O2 Petrol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following has greatest mass ? Proton Neutron Hydrogen nucleus Electron Proton Neutron Hydrogen nucleus Electron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following forms of phosphorus is most reactive? Violet phosphorus Black phosphorus White phosphorus Red phosphorus Violet phosphorus Black phosphorus White phosphorus Red phosphorus ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following has the highest lattice energy KF RbF CsF NaF KF RbF CsF NaF ANSWER DOWNLOAD EXAMIANS APP