Naman saw his friend riding a cycle which was completely rusted at the – InterviewSolution

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1.	Naman saw his friend riding a cycle which was completely rusted at the edge of the pedal. He advised his friend to weld it and apply a coating of oil paint over it. Why do iron rust?
Answer» Solution : Iron, when exposed to air and moisture, undergoes chemical change to FORM iron OXIDE which is reddish BROWN POWDER called rust.

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