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Question
Which among the following is an example of a reversible change?
Options:
A .  Making sand castle on beach
B .  Making egg omelette
C .  Burning petrol
D .  Cutting of trees
Answer: Option A
:
A
Sand castles can be broken back to sand, so it is a reversible change.On the other hand, making egg omelette, cutting of trees and burning petrolare irreversible as they cannot be brought back to their original state.

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