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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 codes given below : 

(a) 1 only 

(b) 2 only 

(c) 1 and 2 

(d) 2 and 3

1 Answer

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Best answer

The correct option is: (c) 1 and 2

Explanation:

Both oxygen and moisture present in air cause rusting of iron.

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