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Question


In any situation, a change can be 


Options:
A .   Reversible
B .   Irreversible
C .   Both reversible and irreversible
D .   Where there is no alteration in state
Answer: Option C
:
C

A paper boat can be made from a paper and then by unfolding it, it can be converted back to the same paper. Thus this is a reversible change. Whereas when a plane drawn on a paper is cut out, then it cannot be put back at the same position, this change is permanent. Hence this change is irreversible.



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