chapter 5 Changes Around Us: Physical and Chemical - Part 3

Why should iron bridges be painted regularly?

Type: MCQ • Marks: 1
Why should iron bridges be painted regularly?
Options
A. Paint provides food for rust
B. Paint melts the iron
C. Paint protects iron from oxygen and moisture
D. Paint creates water
Explanation
Protective coatings help prevent corrosion and extend life of structures.
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