Chemistry All isotopes of the same element have ________ Different atomic numbers and different atomic mass The same atomic number and the atomic mass The same atomic number but different atomic masses Different atomic numbers and the same atomic mass Different atomic numbers and different atomic mass The same atomic number and the atomic mass The same atomic number but different atomic masses Different atomic numbers and the same atomic mass ANSWER DOWNLOAD EXAMIANS APP
Chemistry The iron ore magnetite consists of 3Fe2O3 .. 3H2O Fe2O3 FeCO3 Fe3OH4 3Fe2O3 .. 3H2O Fe2O3 FeCO3 Fe3OH4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The depletion of ozone layer is due to Ethane Carbon dioxide Chloro fluoro carbon Sulphur dioxide Ethane Carbon dioxide Chloro fluoro carbon Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone depletion in the atmosphere is mainly caused by Sulphur dioxide Nitrogen dioxide Chlorofluorocarbon Hydrogen sulphide Sulphur dioxide Nitrogen dioxide Chlorofluorocarbon Hydrogen sulphide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following was used as a chemical weapon in the first world war ? Mustard gas Water gas Carbon monoxide Hydrogen cyanide Mustard gas Water gas Carbon monoxide Hydrogen cyanide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The least preferred technique in the disposal of Municipal Solid Waste is Incineration Bricketting Land filling Composting Incineration Bricketting Land filling Composting ANSWER DOWNLOAD EXAMIANS APP