Chemistry The product, 9-nitroanthracene is obtained from anthracene by the action of Nitric acid and ethyl alcohol Nitric acid in excess Nitric acid and acetic acid Nitric acid and acetic anhydride Nitric acid and ethyl alcohol Nitric acid in excess Nitric acid and acetic acid Nitric acid and acetic anhydride ANSWER DOWNLOAD EXAMIANS APP
Chemistry The alkaloid naturally found in coffee, cocoa and cola nut is Caffeine Morphine Cocaine Tannin Caffeine Morphine Cocaine Tannin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following has no unit Ionization energy Excitation potential Electron affinity Electronegativity Ionization energy Excitation potential Electron affinity Electronegativity ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hydrogen is not found in atmosphere because It immediately combines with oxygen to form water It is the lightest gas It is absorbed by plants It is highly inflammable It immediately combines with oxygen to form water It is the lightest gas It is absorbed by plants It is highly inflammable ANSWER DOWNLOAD EXAMIANS APP
Chemistry The elements in the modern Periodic table are arranged according to their Atomic number Neutron number Mass number Atomic Weight Atomic number Neutron number Mass number Atomic Weight ANSWER DOWNLOAD EXAMIANS APP
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