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OpenStudy (anonymous):
Which of the following indicates that a chemical change has happened during cooking? a)the food darkens b)bubbles form in boiling water c)butter melts d)energy is transferred from the stove to a pan
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OpenStudy (anonymous):
option a
OpenStudy (anonymous):
Yep its a).. b) happens to water even without food. c) happens all only b'cause of temperature difference.. but it wont change any thing chemically. d) happens between the stove and pan.so you can conclude..
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