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Questions and Answers
What causes the formation of reddish brown scale on iron?
What causes the formation of reddish brown scale on iron?
Formation of Fe2O3
Explain the formation of green scale on a copper vessel.
Explain the formation of green scale on a copper vessel.
CuCO3 & Cu(OH)2
What are the two types of corrosion based on the way it occurs?
What are the two types of corrosion based on the way it occurs?
Dry corrosion and wet corrosion
Explain dry corrosion.
Explain dry corrosion.
Describe wet corrosion and how it occurs.
Describe wet corrosion and how it occurs.
What is the fundamental principle of the electrochemical theory of corrosion?
What is the fundamental principle of the electrochemical theory of corrosion?
Explain the factors that affect the rate of galvanic corrosion.
Explain the factors that affect the rate of galvanic corrosion.
In a galvanic cell with iron and copper in contact, which metal acts as the anode and which as the cathode?
In a galvanic cell with iron and copper in contact, which metal acts as the anode and which as the cathode?
Describe what happens in a bimetallic couple in terms of corrosion.
Describe what happens in a bimetallic couple in terms of corrosion.
Explain the reactions that take place in a galvanic cell with iron and copper electrodes.
Explain the reactions that take place in a galvanic cell with iron and copper electrodes.
What is differential aeration corrosion and how does it occur?
What is differential aeration corrosion and how does it occur?
Explain the process of rust formation on iron in the presence of copper in a galvanic cell.
Explain the process of rust formation on iron in the presence of copper in a galvanic cell.
What is the principle behind conductometry?
What is the principle behind conductometry?
How is iron estimated using potentiometry?
How is iron estimated using potentiometry?
Define IR spectroscopy and its application in self-study components.
Define IR spectroscopy and its application in self-study components.
Explain UV-Visible spectroscopy and its significance in self-study components.
Explain UV-Visible spectroscopy and its significance in self-study components.
What is the electrochemical theory of corrosion based on?
What is the electrochemical theory of corrosion based on?
How is the destruction or deterioration of metal by chemical or electrochemical attack defined?
How is the destruction or deterioration of metal by chemical or electrochemical attack defined?
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