Post-UTME Chemistry 2015 Objective — Question 7
Question 7 of 20 from the Post-UTME Screening (Post-UTME) Chemistry 2015 Objective paper, with the correct answer and a full explanation.
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The common cathodic protection metal used in steel pier for ships is
- A. tin
- B. lead
- C. magnesiumCorrect
- D. iron
Explanation
Magnesium is commonly used as a sacrificial anode for cathodic protection of steel structures like ship piers.
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