5
Question
Which of the following methods can be used to prevent corrosion?
Which of the following methods can be used to prevent corrosion?
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Solution
The correct options are
A Painting
B Metal plating
C Alloying
Corrosion occurs when metals are exposed continuously to atmospheric oxygen and water. To prevent corrosion, the following methods can be used:-
-Covering the surface of a metal with paint to avoid its interaction with the atmosphere.
-Covering the surface of a metal with a layer of more reactive metal. For example, to prevent rusting of iron it is covered with zinc plating.
-Making an alloy of the metal because, it will enhance the materials resistance to corrosion.
- Acids are corrosive in nature and hence cannot be used to prevent corrosion.
A
Painting
B
Metal plating
C
Alloying
Corrosion occurs when metals are exposed continuously to atmospheric oxygen and water. To prevent corrosion, the following methods can be used:-
-Covering the surface of a metal with paint to avoid its interaction with the atmosphere.
-Covering the surface of a metal with a layer of more reactive metal. For example, to prevent rusting of iron it is covered with zinc plating.
-Making an alloy of the metal because, it will enhance the materials resistance to corrosion.
- Acids are corrosive in nature and hence cannot be used to prevent corrosion.
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