Chemistry Threshold limit value of copper in the atmospheric air is 1.0 mg/m3 5.0 mg/m3 0.001 mg/m3 0.01 mg/m3 1.0 mg/m3 5.0 mg/m3 0.001 mg/m3 0.01 mg/m3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following has no unit Electron affinity Excitation potential Electronegativity Ionization energy Electron affinity Excitation potential Electronegativity Ionization energy ANSWER DOWNLOAD EXAMIANS APP
Chemistry The coloured discharge tubes for advertisement mainly contain Argon Neon Xenon Helium Argon Neon Xenon Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used for dating very old objects of archaeological importance? Carbon-14 Phosphorus-31 Radium Tritium Carbon-14 Phosphorus-31 Radium Tritium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemical materials is responsible for the depletion of ozone layer in the atmosphere ? Chlorofluorocarbon Nitrous oxide Sulphur dioxide Carbon dioxide Chlorofluorocarbon Nitrous oxide Sulphur dioxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is chiefly present in LPG (Liquefied Petroleum Gas) ? Propane Methane Ethane Butane Propane Methane Ethane Butane ANSWER DOWNLOAD EXAMIANS APP
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