JEE Main 202329 Jan, Evening shiftChemistryMediumClassification of Elements and Periodicity in Properties127× since 2002Total number of acidic oxides among N2O3,NO2,N2O,Cl2O7,SO2,CO,CaO,Na2O\mathrm{N_2O_3,NO_2,N_2O,Cl_2O_7,SO_2,CO,CaO,Na_2O}N2O3,NO2,N2O,Cl2O7,SO2,CO,CaO,Na2O and NO\mathrm{NO}NO is ____________.Your answerType your answer. Integers and decimals are accepted.CheckSkip · show solution