Question detail
Which of the following is NOT a method of preventing corrosion?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Using materials
Question
- A. Electroplating with zinc
- B. Applying a coat of paint
- C. Using a sacrificial anode
- D. Heating the metal to high temperatures
Answer
Heating the metal to high temperatures
Explanation
Heating the metal does not prevent corrosion; instead, it can accelerate the process. The other options are methods used to protect metals from corrosion.
Common mistake
Misunderstanding Barrier Coatings
Students often think that barrier coatings completely stop corrosion rather than just slowing it down.
Emphasize that barrier coatings like grease, paint, and electroplating create a protective layer that reduces exposure to air and water, thus slowing down the corrosion process.
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