Which of the following is a mixed oxide (a) Fe2O3 (b) PbO2 (c) Pb3O4 (d) BaO2 Which of the following is a mixed oxide (a) Fe2O3 (b) PbO2 (c) Pb3O4 (d) BaO2 November 17, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,