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A particular metal forms an invisible protective layer and prevents further oxidation. Identify the metal, its oxide and chemical formula

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Copper, Copper Oxide, CuO

Iron, Iron oxide,

F e_{2} O_{3}

Aluminium, Aluminium oxide,

A l_{2} O_{3}

Zinc, Zinc Oxide, ZnO

answer is B.

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Detailed Solution

Aluminium is a metal which forms an invisible protective layer and prevents further oxidation. Aluminium Oxide is the covering of film formed with its chemical formula

A l_{2} O_{3}

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