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KMU MDCAT 2024 Chemistry #Passivation #S- and P-Block Elements

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Third period element that initially reacts rapidly with oxygen to form a protective oxide coating that prevents further reactions is (KMU MDCAT 2024)

Verified Answer & Explanation⌄

Correct Answer: A) Al

Concept Explanation

Aluminium rapidly forms a thin, adherent Al₂O₃ layer that protects the metal underneath from further oxidation.

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