Physics, 20.09.2019 15:30 Alex9089435028

Asap. what is an example of a physical change? having less ash than the paper that was burned to form it.
ice forming and then melting back into water.
rust having a different identity than the iron it forms on.
the irreversible reaction of vinegar and baking soda.

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Asap. what is an example of a physical change? having less ash than the paper that was burned to fo...