Corrosion Mechanisms and Oxygen
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Questions and Answers

Oxygen gas is the largest component of the atmosphere.

True

Gases like H2S, NH3, and NO2 are present in large amounts in the atmosphere.

False

Metal corrosion occurs only if the film is porous.

False

The mechanism of metal corrosion by oxygen involves the adsorption of 2 molecules on the metal surface.

<p>True</p> Signup and view all the answers

Metal corrosion stops if the film is non-porous and well-adhered.

<p>True</p> Signup and view all the answers

Metal oxide is formed by the union of metal ions and oxygen ions during the corrosion process.

<p>True</p> Signup and view all the answers

Oxygen gas is the only gas present in large amounts in the atmosphere.

<p>False</p> Signup and view all the answers

Metal corrosion by oxygen involves the formation of metal oxide by the union of metal ions and oxygen ions.

<p>True</p> Signup and view all the answers

The mechanism of metal corrosion by oxygen involves the loss of electrons by the metal atom.

<p>True</p> Signup and view all the answers

Metal oxide is formed by the dissociation of an O2 molecule into atoms.

<p>False</p> Signup and view all the answers

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