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Periodic Table and Periodicity question

2023 · 29 Jan · Shift 2 · Q21
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Periodic Table and Periodicity question

2023 · 29 Jan · Shift 2 · Q21

JEE MainChemistryPeriodic Table and PeriodicityNumerical+4 / −1
Total 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}N2​O3​,NO2​,N2​O,Cl2​O7​,SO2​,CO,CaO,Na2​O and NO\mathrm{NO}NO is ‾\underline{\hspace{2cm}}​.
Numerical answer
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