Science · Chemistry
What is the primary chemical composition of rust formed on iron?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Ferrous sulfide (FeS)
- 2Iron carbonate (FeCO3)
- 3Hydrated ferric oxide (Fe2 O3 ⋅xH2 O)✓
- 4Ferrous oxide (FeO)
Correct answer
Hydrated ferric oxide (Fe2 O3 ⋅xH2 O)
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