Mle1234 Mle1234

15-04-2017
Chemistry

contestada

The chemical properties of a substance can only be observed when it is changed into a different substance. True or False

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Аноним Аноним

15-04-2017

I am pretty sure that the answer is true

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Аноним Аноним

19-04-2017

true. uuuuuuuuuuuuuu

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