Podcast
Questions and Answers
Oxygen gas is the largest component of the atmosphere.
Oxygen gas is the largest component of the atmosphere.
True
Gases like H2S, NH3, and NO2 are present in large amounts in the atmosphere.
Gases like H2S, NH3, and NO2 are present in large amounts in the atmosphere.
False
Metal corrosion occurs only if the film is porous.
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.
The mechanism of metal corrosion by oxygen involves the adsorption of 2 molecules on the metal surface.
Signup and view all the answers
Metal corrosion stops if the film is non-porous and well-adhered.
Metal corrosion stops if the film is non-porous and well-adhered.
Signup and view all the answers
Metal oxide is formed by the union of metal ions and oxygen ions during the corrosion process.
Metal oxide is formed by the union of metal ions and oxygen ions during the corrosion process.
Signup and view all the answers
Oxygen gas is the only gas present in large amounts in the atmosphere.
Oxygen gas is the only gas present in large amounts in the atmosphere.
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.
Metal corrosion by oxygen involves the formation of metal oxide by the union of metal ions and oxygen ions.
Signup and view all the answers
The mechanism of metal corrosion by oxygen involves the loss of electrons by the metal atom.
The mechanism of metal corrosion by oxygen involves the loss of electrons by the metal atom.
Signup and view all the answers
Metal oxide is formed by the dissociation of an O2 molecule into atoms.
Metal oxide is formed by the dissociation of an O2 molecule into atoms.
Signup and view all the answers