Question

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 justify your answer ​

Answer 1

Explanation:

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.

Answer 2

Answer:

A blacksmith first heats a piece of iron till it becomes red hot. It then becomes soft and can be beaten into desired shape. Iron when heated and beaten it forms some shape and again heated it regain initial iron. Thus, this change is a reversible change.