Chemistry The polymer obtained by the condensation of hexamethylene diamine and adipic acid is : Tollen's Nylon 66 Terylene Bakelite Tollen's Nylon 66 Terylene Bakelite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Most poisonous pollutant in water is Arsenic Detergent Zinc Phosphate Arsenic Detergent Zinc Phosphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone saves the biosphere by absorbing high energy radiations called ________ . Infra-red (IR) X–rays Ultraviolet rays (UV) Gamma rays Infra-red (IR) X–rays Ultraviolet rays (UV) Gamma rays ANSWER DOWNLOAD EXAMIANS APP
Chemistry The common refrigerant in domestic refrigerator is Nitrogen Neon Oxygen Freon Nitrogen Neon Oxygen Freon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which gas does not form the part of atmosphere ? Nitrogen Chlorine None of these Helium Nitrogen Chlorine None of these Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gunpowder consits of a mixture of TNT and charcoal Nitre, sulphur and charcoal Sand and TNT Sulphur, sand and charcoal TNT and charcoal Nitre, sulphur and charcoal Sand and TNT Sulphur, sand and charcoal ANSWER DOWNLOAD EXAMIANS APP