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VikaD [51]
3 years ago
6

Which of the following is a chemical change?

Physics
1 answer:
klemol [59]3 years ago
3 0

a). Water is still H₂O after it freezes.

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.

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