Chemistry The product, 9-nitroanthracene is obtained from anthracene by the action of Nitric acid and acetic acid Nitric acid in excess Nitric acid and ethyl alcohol Nitric acid and acetic anhydride Nitric acid and acetic acid Nitric acid in excess Nitric acid and ethyl alcohol Nitric acid and acetic anhydride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is also used as a Bio fertilizer? Ammonia Uric Acid Urea None of these Ammonia Uric Acid Urea None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Soap helps in better cleaning of clothes because It gives strength to solution It reduces the surface tension of solution Soap acts like catalyst It absorbs the dirt It gives strength to solution It reduces the surface tension of solution Soap acts like catalyst It absorbs the dirt ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atoms of same element having different mass numbers are called________ Isotones Isotopes Isobars Isomers Isotones Isotopes Isobars Isomers ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cement containing excess amount of lime Is slow setting Cracks during setting Is quick setting Becomes more strong Is slow setting Cracks during setting Is quick setting Becomes more strong ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal ion present in Vitamin B12 is Iron Cobalt Zinc Nickel Iron Cobalt Zinc Nickel ANSWER DOWNLOAD EXAMIANS APP