Question
Total number of acidic oxides among
$\mathrm{N_2O_3,NO_2,N_2O,Cl_2O_7,SO_2,CO,CaO,Na_2O}$ and $\mathrm{NO}$ is ____________.
Correct Answer
4
Total number of acidic oxides among
$\mathrm{N_2O_3,NO_2,N_2O,Cl_2O_7,SO_2,CO,CaO,Na_2O}$ and $\mathrm{NO}$ is ____________.