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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 air2. Moisture present in air3. Carbon dioxide gas present in air Select the correct answer using the code given below :

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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?<br />1. Oxygen gas present in air<br />2. Moisture present in air<br />3. Carbon dioxide gas present in air Select the correct answer using the code given below :






 
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