Chemistry Which one element has the highest electronegativity value Chlorine Lithium Nitrogen Fluorine Chlorine Lithium Nitrogen Fluorine 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 Petroleum is a mixture of Hydrocarbons Salts Elements Polymers Hydrocarbons Salts Elements Polymers ANSWER DOWNLOAD EXAMIANS APP
Chemistry The percentage of nitrogen present in ammonium sulphate is : 0.25 0.27 0.305 0.18 0.25 0.27 0.305 0.18 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main buffer system of the human blood is CH3COOH - CH3COO- NH2CONH2 - NH2CONH+ H2CO3 - CO32- H2CO3 - HCO3 CH3COOH - CH3COO- NH2CONH2 - NH2CONH+ H2CO3 - CO32- H2CO3 - HCO3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The length of double bond is _______ than single bond Of same lenght Longer None of these Shorter Of same lenght Longer None of these Shorter ANSWER DOWNLOAD EXAMIANS APP