Take a lemon and squeeze out its juice in a cup. With the help of paint brush write a message on a paper. What do you observe? Hold the paper above a flame such that it does not burn the paper. What do you observe now?Can the changes be reversed?
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we can se what we have writed on paper
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Answer:
You can see what u have written on the paper,The change cannot be Reversed because it is a chemical change
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