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Question
Identify the incorrect option from the following.
Options:
A .  Changes are the differences in the state of affairs.
B .  Changes can be classified into various classes- reversible, irreversible, periodic, non periodic, desirable and undesirable.  
C .  Change that can be undone is irreversible change and change that can't be undone is reversible change.
D .  There are many ways in which change can be brought, such as, heating, cooling, etc.
Answer: Option C
:
C
All the other points mentioned are correct except this. It should be: "Changes that can be undone are reversible change while the changes that can't be undone are irreversible change.”
For example, evaporation of water to become water vapour is a reversible change as it can be condensed back to water whereas baking bread is irreversible change as baked bread can't be unbaked.

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