Chemistry The scientist who experimentally proved the existance of positron is Anderson Bohr Fermi Bethe Anderson Bohr Fermi Bethe ANSWER DOWNLOAD EXAMIANS APP
Chemistry Except mercury which is the other metal that is liquid at standard conditions for temperature and pressure Bromine Lead Barium Magnesium Bromine Lead Barium Magnesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Laughing gas is Nitrogen trioxide Nitrous oxide Nitric oxide Nitrogen pentoxide Nitrogen trioxide Nitrous oxide Nitric oxide Nitrogen pentoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ionic radii of N3-, O2-, F- and Na+ follows the order O2- > F- > Na+ > N3- N3- > O2- > F- > Na+ Na+ > O2- > N3- > F- N3- > Na+ > O2- > F- O2- > F- > Na+ > N3- N3- > O2- > F- > Na+ Na+ > O2- > N3- > F- N3- > Na+ > O2- > F- ANSWER DOWNLOAD EXAMIANS APP
Chemistry The material used in solar cells contains Silicon Caesium Tin Thallium Silicon Caesium Tin Thallium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ultraviolet radiation striking the earth is due to the depletion of Carbon monoxide Oxygen Carbon dioxide Ozone Carbon monoxide Oxygen Carbon dioxide Ozone ANSWER DOWNLOAD EXAMIANS APP