Chemistry Which gas does not form the part of atmosphere ? None of these Nitrogen Chlorine Helium None of these Nitrogen Chlorine Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element with highest first ionisation energy is Hydrogen Lithium Helium Sodium Hydrogen Lithium Helium Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Methanoic and ethanoic acids can be distinguished by the action of Tollen's reagent NaOH SOCl2 NaHCO3 Tollen's reagent NaOH SOCl2 NaHCO3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Greenhouse effect is caused by Nitrogen dioxide Carbon monoxide Nitrogen Carbon dioxide Nitrogen dioxide Carbon monoxide Nitrogen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The depletion of Ozone layer is mainly due to Radioactive rays Chlorofluorocarbons Aviation fuels Volcanic eruptions Radioactive rays Chlorofluorocarbons Aviation fuels Volcanic eruptions ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of waves made by an electron moving in an orbit having maximum magnetic quantum number is +3 zero 4 5 2 zero 4 5 2 ANSWER DOWNLOAD EXAMIANS APP
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