Q: Which of the following is an example of reversible changes? and Why?
a) Burning b) Freezing c) Cooking d) Rusting
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Answer:Freezing is a reversible change. This is because during burning the substance gets oxidized which is also accompanied by change of physical state of substance. Like burning paper converts it into ashes , where you cannot get the paper back from the ashes.
During cooking there is physical as well chemical changes which is irreversible.
rusting is irreversible because of the chemical reactions taking place at the surface of the metal.
NOW coming to freezing, substances that undergo freezing can be brought back to its original state by heating it . SO IT IS REVERSIBLE
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Answer:
Explanation:
Freezing
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