Chemistry Which of the following is the best fuel in terms of energy released per gram of fuel? Butane Methane Ethanol Hydrogen Butane Methane Ethanol Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry In galvanization, iron is coated with Copper Zinc Nickel Tin Copper Zinc Nickel Tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a nucleon? Neutron Electron Positron Proton Neutron Electron Positron Proton ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following does not form oxyacid ? Nitrogen Sulphur Chlorine Fluorine Nitrogen Sulphur Chlorine Fluorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ionic radii of N3-, O2-, F- and Na+ follows the order 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+ O2- > F- > Na+ > N3- 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 pink to blue-green From brown to orange-red From blue to pink From brown to blue-black From pink to blue-green From brown to orange-red From blue to pink From brown to blue-black ANSWER DOWNLOAD EXAMIANS APP