Chemistry Catalytic converters are generally made from : Alkaline metals Hydrogen Transition metals Carbon Alkaline metals Hydrogen Transition metals Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sea weeds are important source of Iodine Bromine Chlorine Iron Iodine Bromine Chlorine Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a method/process of disposing of solid waste which cannot be reused or recycled ? Landfills Incineration All listed here Pyrolysis and Gasification Landfills Incineration All listed here Pyrolysis and Gasification ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone saves the biosphere by absorbing high energy radiations called ________ . Gamma rays X–rays Infra-red (IR) Ultraviolet rays (UV) Gamma rays X–rays Infra-red (IR) Ultraviolet rays (UV) ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following was used as a chemical weapon in the first world war ? Water gas Hydrogen cyanide Mustard gas Carbon monoxide Water gas Hydrogen cyanide Mustard gas Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Galvanised iron is made by coating iron with Zinc Sulphur Chromium Nickel Zinc Sulphur Chromium Nickel ANSWER DOWNLOAD EXAMIANS APP