Chemistry The coating of a thin layer of zinc on steel or iron objects is known as Electroplating Hot dipping Galvanising Tinning Electroplating Hot dipping Galvanising Tinning ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following kinds of spectroscopy can provide information on the energy difference between the initial and final states rather the energy levels involved in the transition UV photoelectron spectroscopy UV absorption spectroscopy Infrared absorption spectroscopy Rotational spectroscopy UV photoelectron spectroscopy UV absorption spectroscopy Infrared absorption spectroscopy Rotational spectroscopy ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following pollutants is main product of automobile exhaust ? Hydrocarbons NO CO2 CO Hydrocarbons NO CO2 CO ANSWER DOWNLOAD EXAMIANS APP
Chemistry Of the following, which one pollutes the air of a big city ? Cadmium Lead Copper Chromium Cadmium Lead Copper Chromium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The depletion in Ozone layer is caused by ________ . Methane Chlorofluorocarbons Nitrous oxide Carbon dioxide Methane Chlorofluorocarbons Nitrous oxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following has no unit Ionization energy Electronegativity Electron affinity Excitation potential Ionization energy Electronegativity Electron affinity Excitation potential ANSWER DOWNLOAD EXAMIANS APP
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