Chemistry The most pure form of Carbon among the options is Wood Charcoal Lampblack Graphite Anthracite Wood Charcoal Lampblack Graphite Anthracite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following pairs of materials serves as electrodes in chargeable batteries commonly used in devices such as torch lights, electric shavers, etc. ? Nickel and cadmium Zinc and carbon Lead peroxide and lead Iron and cadmium Nickel and cadmium Zinc and carbon Lead peroxide and lead Iron and cadmium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Of the following, which one pollutes the air of a big city ? Chromium Lead Copper Cadmium Chromium Lead Copper Cadmium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The increasing abundance of green house gases in atmosphere has led to the following effect except Depletion of ozone layer in the stratosphere Oxygen fertilization effect Carbon dioxide ferilization effect Global warming Depletion of ozone layer in the stratosphere Oxygen fertilization effect Carbon dioxide ferilization effect Global warming ANSWER DOWNLOAD EXAMIANS APP
Chemistry Electric fuse is an alloy of Tin and lead Carbon and tin Copper and iron Zinc and lead Tin and lead Carbon and tin Copper and iron Zinc and lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gunpowder consits of a mixture of Sand and TNT TNT and charcoal Nitre, sulphur and charcoal Sulphur, sand and charcoal Sand and TNT TNT and charcoal Nitre, sulphur and charcoal Sulphur, sand and charcoal ANSWER DOWNLOAD EXAMIANS APP