Chemistry The number of neutrons present in an element having mass number 226 and atomic number 88 is : 138 50 314 88 138 50 314 88 ANSWER DOWNLOAD EXAMIANS APP
Chemistry In arc welding, Argon is used because of its Ability to lower the melting point of the metal Low reactivity with metal High flammability High calorific value Ability to lower the melting point of the metal Low reactivity with metal High flammability High calorific value ANSWER DOWNLOAD EXAMIANS APP
Chemistry In drinking water supply, which of the following treatments is not involved Coagulation Softening Sedimentation Disinfection Coagulation Softening Sedimentation Disinfection ANSWER DOWNLOAD EXAMIANS APP
Chemistry The percentage of Nitrogen in Air is 85.02 78.03 0.94 0.03 85.02 78.03 0.94 0.03 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The natural source of hydro-carbon is Crude oil Biomass Coal Carbohydrates Crude oil Biomass Coal Carbohydrates ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compounds formed when hydrogen combines with p-block elements are called Ionic hydrides Molecular hydrides Polynuclear hydrides Metallic hydrides Ionic hydrides Molecular hydrides Polynuclear hydrides Metallic hydrides ANSWER DOWNLOAD EXAMIANS APP