MCQ
Correct order of acidic strength is
- ✓$Cl_2O_7 > SO_3 > P_4O_{10}$
- B$CO_2 > N_2O_5 > SO_3$
- C$Na_2O > MgO > Al_2O_3$
- D$K_2O > CaO > MgO$
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