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Q.

The rusting iron is the __________.

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a

Rancidity

b

Refining

c

Corrosion

d

Degradation

answer is D.

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Detailed Solution

  • The word "corrosion" is used to explain how iron rusts.
  • Iron corrodes into iron oxide, demonstrating a chemical transformation.
  • When a metal is exposed for an extended period of time to moisture, air, acid, etc., a coating of hydrated oxide is formed on it.
  • The metal is considered to have rusted since this coating has made it weaker.
  • Examples of corrosion include the rusting of iron, the black layer that forms on silver, and the green layer that forms on copper.
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The rusting iron is the __________.