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प्रश्न
______ is also known as 'Black ore'.
विकल्प
Limonite
Haematite
Magnetite
None of the above
MCQ
रिक्त स्थान भरें
उत्तर
Magnetite is also known as 'Black ore'.
Explanation:
Magnetite is also known as 'Black ore' due to its black or dark brown colour and its magnetic properties.
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