Which one of the following oxides is ionic (a) MnO (b) Mn2O7 (c) CrO3 (d) P2O5 Which one of the following oxides is ionic (a) MnO (b) Mn2O7 (c) CrO3 (d) P2O5 December 2, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,