Chemistry The product, 9-nitroanthracene is obtained from anthracene by the action of Nitric acid in excess 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 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Urea is a Potassium fertilizer Sodium fertilizer Phosphatic fertilizer Nitrogenous fertilizer Potassium fertilizer Sodium fertilizer Phosphatic fertilizer Nitrogenous fertilizer ANSWER DOWNLOAD EXAMIANS APP
Chemistry The “King of Metals” is : Iron Aluminium Silver Gold Iron Aluminium Silver Gold ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals occurs in free state ? Lead Zinc Iron Copper Lead Zinc Iron Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used to restore the colour of old oilpaintings ? Barium peroxide Ozone Sodium peroxide Hydrogen peroxide Barium peroxide Ozone Sodium peroxide Hydrogen peroxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Denatured spirit is ethanol mixed with Petrol Water Pyridine Kerosene Petrol Water Pyridine Kerosene ANSWER DOWNLOAD EXAMIANS APP