isabelj2004
01.10.2019 •
Physics
Which of the following is a chemical change?
a. freezing water
b. melting ice
c. bending a wire
d. burning paper
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Ответ:
b). Ice is still H₂O after it melts.
c). Wire is still Cu when it's bent.
d). Paper combines with the O₂ in the air, and turns into
a lot of new compounds when it burns.
Ответ:
the correct answer is good girl*