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प्रश्न
An ore of manganese metal is ______.
पर्याय
bauxite
haematite
cuprite
pyrolusite
MCQ
रिकाम्या जागा भरा
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उत्तर
An ore of manganese metal is pyrolusite.
Explanation:
Pyrolusite is the main ore used to extract manganese metal, and it consists of manganese dioxide (MnO2). The other options are incorrect because bauxite is the ore of aluminium, haematite is the ore of iron, and cuprite is the ore of copper.
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