why do the articles made of Iron Man place in moist air get fully covered with reddish brown powdery substance what is name of the process is the process chemical or physical change is the process reversible give reason to support your answer
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The articles of iron get fully covered with reddish brown powdery substance when in contact with oxygen and water. And moist air contains both these things. This reddish brown substance formed is called rust. It is a chemical change because the iron's chemical properties get changed. This process is irreversible because once the iron is rusted it's cannot be reversed .
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