Chemistry The product, 9-nitroanthracene is obtained from anthracene by the action of Nitric acid and acetic anhydride 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 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is pure matter ? Brass Iron Air Carbon–dioxide Brass Iron Air Carbon–dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Fertiliser having high nitrogen content is : Ammonium sulphate Ammonium nitrate Urea Calcium citrate Ammonium sulphate Ammonium nitrate Urea Calcium citrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ultra purification of a metal is done by : Zone melting Smelting Slugging Leaching Zone melting Smelting Slugging Leaching ANSWER DOWNLOAD EXAMIANS APP
Chemistry Extensively used nitrogenous fertilizer is Ammonium nitrate Nitro-lime Urea Ammonium sulphate Ammonium nitrate Nitro-lime Urea Ammonium sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following statements is not correct? Vulcanisation of rubber makes it Strong and hard Soft and flexible Withstand higher temperatures Chemical resistant Strong and hard Soft and flexible Withstand higher temperatures Chemical resistant ANSWER DOWNLOAD EXAMIANS APP
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