Chemistry The graphite rods in the nuclear reactor undergo combustion which triggers the nuclear fission react with U to release energy produce neutrons convert fast moving neutrons into thermal neutrons undergo combustion which triggers the nuclear fission react with U to release energy produce neutrons convert fast moving neutrons into thermal neutrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone layer of atmosphere absorbs: Cosmic rays. Ultraviolet rays All radiations of Light Infra-red rays Cosmic rays. Ultraviolet rays All radiations of Light Infra-red rays ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element with highest first ionisation energy is Hydrogen Lithium Sodium Helium Hydrogen Lithium Sodium Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry KMnO4 can be used as a/an Fertiliser Pesticide Disinfectant Insecticide Fertiliser Pesticide Disinfectant Insecticide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal ion present in Vitamin B12 is Cobalt Iron Zinc Nickel Cobalt Iron Zinc Nickel ANSWER DOWNLOAD EXAMIANS APP
Chemistry The Refrigerant 'FREON' is Hydrofluosilicic Acid Difluoro Dichloro Methane Fluorspar and Felspar Calcium Tetra Fluoride Hydrofluosilicic Acid Difluoro Dichloro Methane Fluorspar and Felspar Calcium Tetra Fluoride ANSWER DOWNLOAD EXAMIANS APP
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