Chemistry Zone refining is used for the purification of Cu Ag Ge Au Cu Ag Ge Au ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cement is made hard with Hydration and dissociation of water Dissociation of water Dehydration Polymerisation Hydration and dissociation of water Dissociation of water Dehydration Polymerisation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most suitable unit for expressing nuclear radius is : Angstrom Nanometre Fermi Micron Angstrom Nanometre Fermi Micron ANSWER DOWNLOAD EXAMIANS APP
Chemistry In arc welding, Argon is used because of its High calorific value High flammability Low reactivity with metal Ability to lower the melting point of the metal High calorific value High flammability Low reactivity with metal Ability to lower the melting point of the metal ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main use of salt in the diet is to ease the process of cooking produce in small amounts the hydrochloric acid required for the digestion of food increase the solubility of food particles in water make the taste of food better ease the process of cooking produce in small amounts the hydrochloric acid required for the digestion of food increase the solubility of food particles in water make the taste of food better ANSWER DOWNLOAD EXAMIANS APP
Chemistry When water itself combines chemically with some element or mineral it is called Desilication Oxidation Carbonation Hydration Desilication Oxidation Carbonation Hydration ANSWER DOWNLOAD EXAMIANS APP