A piece of iron is heated till it becomes red-hot. it then becomes soft and is beaten to a desired shape. What kind of changes are observed in this process-reversible or irreversible?
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What kind of changes are observed in this process-reversible or irreversible? Solution: A piece of iron on heating can be beaten into desired shape. It is a reversible change because the object of desired shape can be again heated and beated to give the original shape.
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