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Question

_________ is the gradual degradation of iron objects when exposed to air and water.

A
Rancidity
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B
Rusting
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C
Tanning
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D
Galvanization
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Solution

The correct option is B Rusting
Corrosion is a chemical reaction in which metallic objects reacts with atmospheric moisture and oxygen to form metallic oxides, sulphides, etc. Corrosion of iron articles is called rusting.

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