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Which of the following metals can create a protective oxide layer on their surface, acting as a barrier against further corrosion?

7. Which of the following metals can create a protective oxide layer on their surface, acting as a barrier against further corrosion?

1. Active metals
2. Passive metals
3. Nobel metals

Answer: B) Passive metals

Explanation:

Passive metals can create a protective oxide layer on their surface, acting as a barrier against further corrosion.