Rusting of an iron bar is an example of ___________ reaction.

physical

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chemical

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physical and chemical

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biological

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Solution

The correct option is B
chemical

A chemical change is any change that results in the formation of a new substance. It involves making or breaking of bonds between atoms. Rusting of iron results in the formation of ferric oxide. The properties of these substances change after the reaction. Therefore, rusting of the iron bar is an example of a chemical reaction.

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Similar questions

Rusting of iron is an example of a chemical change.

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

So, rusting of iron is a chemical change or physical change???

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