Chemistry Diamond is harder than graphite because of : None of these Difference in layers of atoms Difference of crystalline structures Tetrahedral structure of diamond None of these Difference in layers of atoms Difference of crystalline structures Tetrahedral structure of diamond ANSWER DOWNLOAD EXAMIANS APP
Chemistry Of the following, which one pollutes the air of a big city ? Copper Lead Cadmium Chromium Copper Lead Cadmium Chromium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The fundamental particles present in the nucleus of an atom are Proton, neutron Neutron, positron Neutron, electron Electron, proton Proton, neutron Neutron, positron Neutron, electron Electron, proton ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bhopal gas tragedy is associated with leakage of Carbon dioxide Nitrogen dioxide Sulphur dioxide Methyl isocyanate Carbon dioxide Nitrogen dioxide Sulphur dioxide Methyl isocyanate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following gases is present under pressure in soft drinks? Nitrogen Nitrous oxide Oxygen Carbon dioxide Nitrogen Nitrous oxide Oxygen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP