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07-09-2016
Chemistry

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what is an example of an irreversible physical change?
melting an ice cube
making sawdust
crumpling paper
boiling water

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Аноним Аноним

07-09-2016

The answer is B. making sawdust.

Because, to make sawdust you have to shred wood and you can't reverse that. Therefore, making sawdust is irreversible.

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