Question

example of irreversible change
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Answer 1

Examples of irreversible changes

Burning: When we burn a piece of paper or wood, it turns to ash and smoke. We cannot obtain paper and wood from the ash again. Cooking: We use heat for cooking, right? Once we cook our eggs, we cannot uncook them.

Answer 2

Burning of paper, bursting of crackers, etc.

Explanation:

when the paper is burnt the ash is produced. So, the ash could not be reversed in paper.