Single Answer MCQ
Q-00039994

What is the primary cause of corrosion in metals?

1

Exposure to sunlight

2

Reaction with air and moisture

3

Contact with other metals

4

High temperatures

Answer and Solution

Answer

B. Reaction with air and moisture

Solution:

Corrosion mainly occurs due to the reaction of metals with both oxygen (from air) and moisture (water). Sunlight and temperature can also influence the process, but the key factors are air and moisture.

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