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21-02-2016
Chemistry

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Which of the following is an example of a chemical change?
a. ice melting
c. pounding gold into a coin
b. milk souring
d. a puddle of water evaporating

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Аноним Аноним

21-02-2016

A chemical change changes the bonds by forming or breaking them, and cannot be brought back to it's original form.

b. milk souring

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