Physical and Chemical Change in Matter


Choose the correct option to fill in the blank.

When a metal item gets rusty, it undergoes a ——–.

A) Physical Change

B) Chemical Change

The correct ANSWER is ⇒ B) Chemical Change

Rusting occurs as a result of the chemical reaction of substances with oxygen in water or humid environments. Rusting is a chemical change because there is no possibility of a rusted substance going back to its original state. As a result of rusting, some changes are observed both in the external appearance of the materials and in themselves, which indicates a chemical change.

Read More about Change in Matter. 


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