On heating pyrolusite with KOH in presence of air we get (a) KMnO4 (b) K2MnO4 (c) Mn(OH)2 (d) Mn3O4 On heating pyrolusite with KOH in presence of air we get (a) KMnO4 (b) K2MnO4 (c) Mn(OH)2 (d) Mn3O4 December 2, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,