Single Answer MCQ
Q-00004424
What type of corrosion results in a green coating on copper?
1
Tarnishing
2
Rusting
3
Oxidation
4
Browning
Answer and Solution
Answer
A. Tarnishing
Solution:
The green coating on copper is due to tarnishing, which is a form of oxidation. Rusting specifically refers to iron corrosion. The other terms refer to different processes.
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