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Question

The gradual degradation of metallic objects layer by layer is known as-


A
Rancidity
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B
Corrosion
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C
Combination reaction
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D
Double displacement reaction
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Solution

The correct option is B Corrosion

Corrosion is a phenomenon in which metallic objects react with some chemicals in their environment to form more stable compounds such as its oxides, hydroxides or sulphides and this results in the degradation of the metallic objects.


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