Materials/coatings: Galvanised iron sheets — identify the metal used for the protective coating. Focus on the standard anti-corrosion layer. Choose the correct metal.
General Knowledge
General Science
Difficulty: Easy
Choose an option
Answer
Correct Answer: Zinc
Explanation
Given data
- Product: Galvanised iron (GI) sheets.
Concept/Approach Galvanizing means coating iron/steel with zinc, which provides sacrificial protection (zinc corrodes preferentially), thereby preventing rusting of the base metal.
Final Answer Zinc