MHT CET202014 Oct 2020Evening ShiftChemistryGeneral Principles and Processes of Isolation of MetalsActual
What is the formula of pyrolusite ore?
Options
- APbCrO ₄
- BCu ₂ O
- CCr ₂ O ₃
- DMnO ₂
Correct answer
D. MnO ₂
Step-by-step solution
Pyrolusite is a mineral consisting essentially of manganese dioxide (MnO2) and is important as an ore of manganese