Chemistry Which one of the following elements is an example of noble gas ? Helium Nitrogen Hydrogen Chlorine Helium Nitrogen Hydrogen Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant constituent of atmospheric air is : Nitrogen Hydrogen Oxygen Carbon Nitrogen Hydrogen Oxygen Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sodium vapour lamps glow with yellow colour. This is due to The low ionisation energy of sodium sublimation of sodium to emit yellow colour Its ability to absorb all other colours except yellow The emission of excess energy absorbed by sodium atoms, in the yellow region of the spectrum The low ionisation energy of sodium sublimation of sodium to emit yellow colour Its ability to absorb all other colours except yellow The emission of excess energy absorbed by sodium atoms, in the yellow region of the spectrum ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cooking gas is a mixture of Carbon monoxide and carbon dioxide Carbon dioxide and oxygen Butane and propane Methane and ethylene Carbon monoxide and carbon dioxide Carbon dioxide and oxygen Butane and propane Methane and ethylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used as preservative for foodstuff ? Glycerine Picric acid Sodium Benzoate Sodium Chloride Glycerine Picric acid Sodium Benzoate Sodium Chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry The degree of dissociation of an electrolyte depends on Dilution Impurities Atmospheric pressure Method of dissolution Dilution Impurities Atmospheric pressure Method of dissolution ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS