Chemistry The items amenable to detection by soft x-rays are narcotics genuine coins from counterfeit coins lead in bullets contrabands narcotics genuine coins from counterfeit coins lead in bullets contrabands ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the maximum Water Vapour content in the atmosphere? 3 to 4 per cent 4 to 5 per cent 2 to 3 per cent 5 to 6 per cent 3 to 4 per cent 4 to 5 per cent 2 to 3 per cent 5 to 6 per cent 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. ? Iron and cadmium Lead peroxide and lead Zinc and carbon Nickel and cadmium Iron and cadmium Lead peroxide and lead Zinc and carbon Nickel and cadmium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal used to galvanise iron to protect it from rusting is Chromium Antimony Lead Zinc Chromium Antimony Lead Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry Electric bulbs are filled with : Argon Nitrogen Carbon dioxide Oxygen Argon Nitrogen Carbon dioxide Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who is known as the 'father of modern chemistry' John Dalton Antoine Lavoisier Robert Boyle Democritus John Dalton Antoine Lavoisier Robert Boyle Democritus ANSWER DOWNLOAD EXAMIANS APP