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NEET
Exam
NEET
Subject
Chemistry
Chapter
Electrochemistry

NEET · Chemistry · Electrochemistry

What is the purpose of covering the surface of a metallic object...

What is the purpose of covering the surface of a metallic object with paint or chemicals, as mentioned in the paragraph?

Options

  1. ATo increase the weight of the object.
  2. BTo enhance the electrical conductivity of the object.
  3. CTo prevent contact with the atmosphere and, hence, corrosion.
  4. DTo give the object a shiny appearance.

Correct answer

C. To prevent contact with the atmosphere and, hence, corrosion.

Step-by-step solution

One of the simplest methods of preventing corrosion is to prevent the surface of the metallic object to come in contact with the atmosphere. This can be done by covering the surface with paint or by some chemicals (e.g. bisphenol).
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