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What is the cause of corrosion of iron according to the paragraph?

Options

  1. APresence of water and sulfur.
  2. BPresence of air and carbon dioxide.
  3. CPresence of oxygen and water.
  4. DPresence of nitrogen and hydrogen.

Correct answer

C. Presence of oxygen and water.

Step-by-step solution

Corrosion of iron (commonly known as rusting) occurs in the presence of water and air.

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