Chemistry Sulphur dioxide level in the atmosphere can be reduced by using More efficient car engines Catalytic converters in industry Low - sulphur fuels Static electricity to attract it in factory chimneys More efficient car engines Catalytic converters in industry Low - sulphur fuels Static electricity to attract it in factory chimneys ANSWER DOWNLOAD EXAMIANS APP
Chemistry Freon' used as refrigerants is chemically Fluorinated aromatic compound Fluorinated hydrocarbon Chlorofluoro hydrocarbon Chlorinated hydrocarbon Fluorinated aromatic compound Fluorinated hydrocarbon Chlorofluoro hydrocarbon Chlorinated hydrocarbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who developed the model of atomic structure ? Faraday Alfred Nobel Volta Bohr and Rutherford Faraday Alfred Nobel Volta Bohr and Rutherford ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone layer of atmosphere absorbs: Infra-red rays Ultraviolet rays Cosmic rays. All radiations of Light Infra-red rays Ultraviolet rays Cosmic rays. All radiations of Light ANSWER DOWNLOAD EXAMIANS APP
Chemistry Magnetite is Fe3O4 Fe2O3 2Fe2O3. 3H2O FeCO3 Fe3O4 Fe2O3 2Fe2O3. 3H2O FeCO3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Diamonds are glittering and attractive because light incident on them undergoes Multiple internal reflections Multiple surface reflections Hundred percent transmission Highest refraction Multiple internal reflections Multiple surface reflections Hundred percent transmission Highest refraction ANSWER DOWNLOAD EXAMIANS APP
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