When iron is left exposed in open air, it gets rusted. Which constituent(s) of air is/are responsible for rusting iron? |
1. Oxygen gas present in air |
2. Moisture present in air |
3. Carbon dioxide gas present in air |
Select the correct answer using the code given below |
A) Only 1
B) Only 2
C) 1 and 2
D) 2 and 3
Correct Answer: D
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