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Kanta Jha
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Asked: 2025-01-31T07:12:34+00:00 In:

Rusting of an article made up of iron is called (a) corrosion and it is a physical as well as chemical change. (b) dissolution and it is a physical change. (c) corrosion and it is a chemical change. (d) dissolution and it is a chemical change.

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(c) The name given to rusting of iron is corrosion and it involves a chemical change.

https://www.tiwariacademy.com/ncert-solutions-class-9-science-curiosity-chapter-2/

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    1. The correct answer is: (c) Corrosion and it is a chemical change. Rusting occurs when iron reacts with oxygen and moisture, forming iron oxide (rust). This process alters the chemical composition of iron, making it a chemical change rather than a physical one.

      https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-2/

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