The rusting of metal iron in air needs what ?
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D)oxygen and moisture
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Oxygen and Moisture
The rusting of metal iron in air needs Oxygen and Moisture.
In air, if metal had to rust, then one of the most needed thing is Oxygen and Moisture.
Because of Oxygen and Moisture, that metal is able to rust. Oxygen helps metal to take the movement with molecules. Oxygen takes so many molecules and it react with metal.
Because of Moisture, Metal is able to rust. Because of Moisture, that metal get its properties in right way and that's the reason, Moisture is very important for Rusting of Metal.
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