Corrosion of metals involves :

physical reaction

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chemical reaction

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both A and B

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none of the above

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Solution

The correct option is B chemical reaction
Corrosion of metal is a chemical process in which metal reacts with the surrounding elements and form another chemical compound. For example- Silver articles become black after some time when exposed to air. This is because it reacts with sulphur in the air to form a coating of silver sulphide

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Similar questions

Due to corrosion, physical properties of metals such as malleability, ductility, and hardness are lost.

The rusting of an iron object is called:

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

(b) dissolution and it is a physical change

(d) dissolution and it is a chemical change

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