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CHEMISTRY

JAMB 2011 - Question 26

Chemistry 2011 JAMB Past Questions - Question 26: The condition required for corrosion to take place is the presence of

Choose the correct answers from the options given.

The condition required for corrosion to take place is the presence of

A: water and carbon (IV) oxide

B: wafer, carbon (IV) oxide and oxygen

C: oxygen and carbon (IV) oxide

D: water and oxygen.

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Correct Answer

Explanation

The condition required for corrosion to take place is the presence of water and oxygen. Oxygen acts as the oxidizing agent, and water provides the medium for the electrochemical reactions involved in the corrosion process. Carbon dioxide (carbon (IV) oxide) can sometimes accelerate corrosion by forming carbonic acid when dissolved in water, but it is not a necessary condition for corrosion to occur. Therefore, the correct answer is "water and oxygen."