Chemistry The product, 9-nitroanthracene is obtained from anthracene by the action of Nitric acid and ethyl alcohol Nitric acid and acetic acid Nitric acid and acetic anhydride Nitric acid in excess Nitric acid and ethyl alcohol Nitric acid and acetic acid Nitric acid and acetic anhydride Nitric acid in excess ANSWER DOWNLOAD EXAMIANS APP
Chemistry The working of a dry cell is based on Electrolysis Combination reaction Spontaneous oxidation-reduction reaction Decomposition reaction Electrolysis Combination reaction Spontaneous oxidation-reduction reaction Decomposition reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Heavy metals got their name because compared to other atoms they have Higher atomic numbers Higher densities Higher atomic masses Higher atomic radii Higher atomic numbers Higher densities Higher atomic masses Higher atomic radii ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following caused radioactive pollution along the coast of Kerala ? Radium Thorium Zinc Plutonium Radium Thorium Zinc Plutonium ANSWER DOWNLOAD EXAMIANS APP
Chemistry A matured mammalian cell without nucleus is Lymphocyte Erythrocyte Spermatozoan Oocyte Lymphocyte Erythrocyte Spermatozoan Oocyte ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is secondary air pollutant ? SO2 Dust particles NO2 Photochemical smog SO2 Dust particles NO2 Photochemical smog ANSWER DOWNLOAD EXAMIANS APP
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