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Q.

Rusting of an article made up of iron is called

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a

corrosion and it is a physical as well as a chemical change

b

dissolution and it is a chemical change

c

corrosion and it is a chemical change

d

dissolution and it is a chemical change

answer is C.

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Detailed Solution

  • The rusting of an article made up of iron is called corrosion and it is a chemical change because when iron is exposed to air, sunlight and moisture, rusting is formed, which in other words, also called corrosion.
  • The chemical name of rust is iron oxide, which is formed after the reaction completes.
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