Chemistry Freon' used as refrigerants is chemically Chlorofluoro hydrocarbon Fluorinated aromatic compound Chlorinated hydrocarbon Fluorinated hydrocarbon Chlorofluoro hydrocarbon Fluorinated aromatic compound Chlorinated hydrocarbon Fluorinated hydrocarbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The graphite rods in the nuclear reactor convert fast moving neutrons into thermal neutrons undergo combustion which triggers the nuclear fission produce neutrons react with U to release energy convert fast moving neutrons into thermal neutrons undergo combustion which triggers the nuclear fission produce neutrons react with U to release energy ANSWER DOWNLOAD EXAMIANS APP
Chemistry The total energy of revolving electron in an atom Cannot be negative Can never be positive Can have any value above zero Will always be positive Cannot be negative Can never be positive Can have any value above zero Will always be positive ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone layer of atmosphere absorbs: Infra-red rays All radiations of Light Cosmic rays. Ultraviolet rays Infra-red rays All radiations of Light Cosmic rays. Ultraviolet rays ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is not a pure form of carbon Diamond Coal Gold Graphite Diamond Coal Gold Graphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of waves made by an electron moving in an orbit having maximum magnetic quantum number is +3 4 5 2 zero 4 5 2 zero ANSWER DOWNLOAD EXAMIANS APP
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