Give reasons:
Burning of paper is a chemical change.
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When a piece of paper is burnt a new substance ash is produced which cannot be changed back into paper. This change is permanent and irreversible, so it is a chemical change.
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Freezing of water is a physical change.
Evaporation of water is a physical change.
Cutting of a cloth piece is a physical change, although it cannot be reversed.
An inflated balloon bursts when brought near a lit bulb.