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 in excess Nitric acid and acetic anhydride Nitric acid and ethyl alcohol Nitric acid and acetic acid Nitric acid in excess Nitric acid and acetic anhydride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Synthetic detergents are prepared from Hydrocarbons of petroleum Sodium salts of higher fattyacids Glycerides Potassium salts of higher fatty-acids Hydrocarbons of petroleum Sodium salts of higher fattyacids Glycerides Potassium salts of higher fatty-acids ANSWER DOWNLOAD EXAMIANS APP
Chemistry Major gaseous pollutant of the thermal power station is H2 S NH3 NO2 SO2 H2 S NH3 NO2 SO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Detergents are Sodium salts of sulphonic acids None of these Sodium salt of benzoic acid Sodium salts of fatty acids Sodium salts of sulphonic acids None of these Sodium salt of benzoic acid Sodium salts of fatty acids ANSWER DOWNLOAD EXAMIANS APP
Chemistry The water pollution in river is measured by the dissolved amount of Nitrogen Oxygen Chlorine Ozone Nitrogen Oxygen Chlorine Ozone ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following electrodes is used in strongly alkaline solution Mercury - mercurous chloride electrode Silver - silver chloride electrode Mercury - mercuric oxide electrode Mercury - mercurous sulphate electrode Mercury - mercurous chloride electrode Silver - silver chloride electrode Mercury - mercuric oxide electrode Mercury - mercurous sulphate electrode ANSWER DOWNLOAD EXAMIANS APP
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