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What is the main impurity in haematite?

What is the main impurity in haematite?
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A CaSiO3
  • B CaCO3
  • C SiO3
  • D Fe2O3
Correct Answer: Option C
Explanation:

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