Chemistry The metal used for making aircrafts and rockets is Copper Lead Aluminium Nickel Copper Lead Aluminium Nickel ANSWER DOWNLOAD EXAMIANS APP
Chemistry The polymerisation of which often following is used in manufacturing of polythene in industry ? Styrene Acetylene Ethylene Methane Styrene Acetylene Ethylene Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Alcohol prepared by the distillation of wood is : Ethyl alcohol Glycerol Methyl alcohol Propyl alcohol Ethyl alcohol Glycerol Methyl alcohol Propyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Warming Ammonium chloride with sodium hydrochloride in a test tube is an example of Closed system Isobaric system Open system Isothermal system Closed system Isobaric system Open system Isothermal system ANSWER DOWNLOAD EXAMIANS APP
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 The nuclear particles which are assumed to hold the nucleons together are neutrons electrons mesons positrons neutrons electrons mesons positrons ANSWER DOWNLOAD EXAMIANS APP