Chemistry-
General
Easy

Question

The formula of haematite is

  1. (a) F e subscript 3 end subscript O subscript 4 end subscript   
  2. F e subscript 2 end subscript O subscript 3 end subscript   
  3. (c) F e C O subscript 3 end subscript   
  4. F e S subscript 2 end subscript   

The correct answer is: F e subscript 2 end subscript O subscript 3 end subscript

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