Question : Pyrolusite is an ore of:
Option 1: Titanium
Option 2: Manganese
Option 3: Chromium
Option 4: Uranium
Correct Answer: Manganese
Solution : The correct answer is Manganese.
Pyrolusite is a mineral, essentially containing Manganese dioxide, and is an important ore of Manganese. The colour of Pyrolusite is darkish or black-grey. It has a chemical formula MnO 2 . Manganese is a chemical element with atomic number 25, and it is represented by the symbol Mn.