If a mixture of manganese (IV) oxide and MnO2 is heated which among the two compounds will produce oxygen?

If a mixture of manganese (IV) oxide and MnO2 is heated which among th

1.	If a mixture of manganese (IV) oxide and MnO2 is heated which among the two compounds will produce oxygen?
Answer» in this REACTION of Mg2O4 + MNO2. MnO2 will PRODUCE OXYGEN