Chemistry The product, 9-nitroanthracene is obtained from anthracene by the action of Nitric acid and acetic acid Nitric acid and ethyl alcohol Nitric acid and acetic anhydride Nitric acid in excess Nitric acid and acetic acid Nitric acid and ethyl alcohol Nitric acid and acetic anhydride Nitric acid in excess ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iodine value is used to estimate Hydroxyl groups in oil Carboxylic groups in oil Alkali content in oil Unsaturation in oil Hydroxyl groups in oil Carboxylic groups in oil Alkali content in oil Unsaturation in oil ANSWER DOWNLOAD EXAMIANS APP
Chemistry Petroleum consists of a mixture of Carbonates Carbohydrates Hydrocarbons Carbides Carbonates Carbohydrates Hydrocarbons Carbides ANSWER DOWNLOAD EXAMIANS APP
Chemistry The depletion of ozone layer is due to Carbon dioxide Ethane Sulphur dioxide Chloro fluoro carbon Carbon dioxide Ethane Sulphur dioxide Chloro fluoro carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is extensively used for sterilizing water ? Bleaching powder Alum Soda powder Borax powder Bleaching powder Alum Soda powder Borax powder ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following metals is used to galvanise iron ? Zinc Mercury Lead Copper Zinc Mercury Lead Copper ANSWER DOWNLOAD EXAMIANS APP
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