25-01-2015
Chemistry

Answered

what happens to the chemical identity of a substance during a physical change?

Answer :

k12clee k12clee

27-01-2015

Nothing happens because a physical change only changes the appearance of the substance, whereas a chemical change transforms the substance into something completely different.
i.e. (chemical change) wood + fire = ash
(physical change) wood + axe = smaller pieces of wood

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