Question

If volume of oxide layer is greater than volume of metal, the nature of oxide layer is

Answer 1

Answer:

Metals like Aluminium forms oxide, whose volume is greater than the volume of metal. Consequently, an extremely tightly-adhering non-porous layer is formed. Due to the absence of any pores or cracks in the oxide film, the rate of oxidation rapidly decreases to zero. Corrosion by other gases (by hydrogen):

Explanation:

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Answer 2

Answer:

no answer.

Explanation:

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