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Question 9 A piece of iron is heated till it becomes red hot. It then becomes soft and is beaten to the desired shape. What kind of changes are observed in this process; reversible or irreversible? |
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Answer» Question 9 A piece of iron is heated till it becomes red hot. It then becomes soft and is beaten to the desired shape. What kind of changes are observed in this process; reversible or irreversible? |
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