Chemistry The antiparticle of an electron is Alpha particles Beta particles Positron Proton Alpha particles Beta particles Positron Proton ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass number of a nucleus is always more than the atomic weight always less than its atomic number the sum of the number of protons and neutrons present in the nucleus a fraction always more than the atomic weight always less than its atomic number the sum of the number of protons and neutrons present in the nucleus a fraction ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of 'Plaster of Paris' commonly used for setting broken bones is Calcium carbonate Calcium nitrate Calcium chloride Calcium sulphate Calcium carbonate Calcium nitrate Calcium chloride Calcium sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following appeared to be with a significant potential for accumulation through food chains ? Lindane Carbary DDT Parathion Lindane Carbary DDT Parathion 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 Which one of the following is not a cause for present global warming and climate change ? Carbondioxide emission Methane emission Deforstation CFC emission Carbondioxide emission Methane emission Deforstation CFC emission ANSWER DOWNLOAD EXAMIANS APP
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