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The formation of a protective oxide layer on aluminum's surface in concentrated nitric acid is example of:

Option: 1

Reduction reaction

 


Option: 2

Oxidation reaction


Option: 3

Passivation


Option: 4

Acid-base reaction


Answers (1)

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The formation of a protective oxide layer on aluminium's surface in concentrated nitric acid is an example of passivation. Passivation refers to the process of forming a protective layer on a material's surface that helps to prevent further corrosion or reaction with the surrounding environment.

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Ritika Jonwal

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