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  • 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.

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.

 

 

Answers (1)

Answer: C

 Solution: In a chemical change, either one of the substance changes and comes with new properties. Corrosion is a natural phenomenon, in which any metal tries to attain chemically stable form such as oxide for hydroxide. When any article made up of iron get rusted, it gets converted in iron oxide it looks reddish brown in colour. As it is a change of the substance, it is a chemical change Hence, the correct option is C.

 

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