give example of changes that can be reversed any (4) and give example of changes that cannot be reversed any (4)
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give example of changes that can be reversed any (4) and give example of changes that cannot be reversed any (4)
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Answer: Changes that can be reversed :
Melting of Ice into water. By freezing the water we can obtain ice again.
By folding a paper; By unfolding it, we can undo the change.
Hot milk to cold milk: By boiling milk, we can make it warm.
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. ...
Rusting of iron: You must have seen rusting of iron.
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