Chemistry The heat value of combustion of Gasoline is 39400 kJ/kg 47000 kJ/kg 14600 kJ/kg 12600 kJ/kg 39400 kJ/kg 47000 kJ/kg 14600 kJ/kg 12600 kJ/kg ANSWER DOWNLOAD EXAMIANS APP
Chemistry Detergents are None of these Sodium salt of benzoic acid Sodium salts of fatty acids Sodium salts of sulphonic acids None of these Sodium salt of benzoic acid Sodium salts of fatty acids Sodium salts of sulphonic acids ANSWER DOWNLOAD EXAMIANS APP
Chemistry Extensively used nitrogenous fertilizer is Ammonium nitrate Urea Ammonium sulphate Nitro-lime Ammonium nitrate Urea Ammonium sulphate Nitro-lime ANSWER DOWNLOAD EXAMIANS APP
Chemistry The atmospheric gas that is mainly responsible for Green House effect : Carbondioxide Nitrogen Oxygen Ozone Carbondioxide Nitrogen Oxygen Ozone ANSWER DOWNLOAD EXAMIANS APP
Chemistry The first metal used by a man was Silver Brass Copper Bronze Silver Brass Copper Bronze ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most electronegative element among the following is sodium oxygen bromine fluorine sodium oxygen bromine fluorine ANSWER DOWNLOAD EXAMIANS APP