Chemistry By-product obtained by soap industry is Naphthalene Caustic soda Caustic potash Glycerol Naphthalene Caustic soda Caustic potash Glycerol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas causing acid rain in an industrial area is Carbon monoxide Sulphur dioxide Carbon dioxide Methane Carbon monoxide Sulphur dioxide Carbon dioxide Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sodium vapour lamps glow with yellow colour. This is due to 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 sublimation of sodium to emit yellow colour The low ionisation energy of sodium 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 sublimation of sodium to emit yellow colour The low ionisation energy of sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ionisation energy of nitrogen is greater than that of oxygen because nitrogen has High nuclear charge Smaller atomic radius High bond dissociation energy Stable half filled 2p sub level High nuclear charge Smaller atomic radius High bond dissociation energy Stable half filled 2p sub level ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which metal is the heaviest in periodic table among the following ? Pb Os Pt W Pb Os Pt W ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following has least negative electron gain enthalpy Cl F P S Cl F P S ANSWER DOWNLOAD EXAMIANS APP