JSCE Basic Science 2023 Objective — Question 28
Question 28 of 100 from the Junior Secondary Certificate Examination (JSCE) Basic Science 2023 Objective paper, with the correct answer and a full explanation.
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The chemical name and formula of rust found of exposed iron or metal is ......
- A. Ferrous Oxide FeO
- B. Ferric Oxide Fe2O3Correct
- C. Iron Oxide FeO2
- D. Ferric IV Oxide Fe2O4
Explanation
Rust is hydrated ferric oxide, Fe2O3.
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