Why plastic does not rust like iron ?

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Solution

Dear student,
Corrosion of Iron in the presence of oxygen and air leads to the formation of brown solid known as rust. This process is called rusting due to the formation of rust.

4 Fe + 3 O₂ + 2x H₂O → 2 Fe₂O₃.xH₂O

The process does not take place in the molecule of the plastic as the Fe is not present in that.
Therefore, the plastic does not rust like iron.

Regards

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