Chemistry Zone refining is used for the purification of Ge Au Ag Cu Ge Au Ag Cu ANSWER DOWNLOAD EXAMIANS APP
Chemistry Soap helps in better cleaning of clothes because It reduces the surface tension of solution It absorbs the dirt Soap acts like catalyst It gives strength to solution It reduces the surface tension of solution It absorbs the dirt Soap acts like catalyst It gives strength to solution ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ionic radii of N3-, O2-, F- and Na+ follows the order O2- > F- > Na+ > N3- Na+ > O2- > N3- > F- N3- > Na+ > O2- > F- N3- > O2- > F- > Na+ O2- > F- > Na+ > N3- Na+ > O2- > N3- > F- N3- > Na+ > O2- > F- N3- > O2- > F- > Na+ ANSWER DOWNLOAD EXAMIANS APP
Chemistry The common refrigerant in domestic refrigerator is Nitrogen Freon Neon Oxygen Nitrogen Freon Neon Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following pollutants is main product of automobile exhaust ? CO CO2 Hydrocarbons NO CO CO2 Hydrocarbons NO ANSWER DOWNLOAD EXAMIANS APP
Chemistry A potato tuber has been cut into two halves. A few drops of iodine solution are placed on the cut surface of one of the halves. What colour change will be noticed? From brown to blue-black From pink to blue-green From blue to pink From brown to orange-red From brown to blue-black From pink to blue-green From blue to pink From brown to orange-red ANSWER DOWNLOAD EXAMIANS APP