Chemistry The method of concentrating the ore which makes use of the difference in density between ore and impurities is called liquation leaching levigation magnetic separation liquation leaching levigation magnetic separation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as filler in tyre of rubber ? Graphite Coal Coke Carbon black Graphite Coal Coke Carbon black ANSWER DOWNLOAD EXAMIANS APP
Chemistry The fundamental particles present in the nucleus of an atom are Neutron, electron Electron, proton Proton, neutron Neutron, positron Neutron, electron Electron, proton Proton, neutron Neutron, positron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Of the following, which one pollutes the air of a big city ? Lead Copper Chromium Cadmium Lead Copper Chromium Cadmium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Green house effect is accelerated by All of these Deforestation Increased transportation activity Rapid industrialization All of these Deforestation Increased transportation activity Rapid industrialization ANSWER DOWNLOAD EXAMIANS APP
Chemistry Mercury is emitted into air by Steam engine Burning coal Burning garbage Coal fire Steam engine Burning coal Burning garbage Coal fire ANSWER DOWNLOAD EXAMIANS APP