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21 December, 10:15

When iron is exposed to oxygen it rusts or oxidizes. Which of these represents the balanced equation for this chemical change?

A) Fe + O → FeO

B) FeO → Fe + O

C) Fe + O2 → Fe2O3

D) 4Fe + 3O2 → 2Fe2O3

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Answers (1)
  1. 21 December, 10:23
    0
    I think D) 4Fe + 3O2 → 2Fe2O3 is correct.
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