asked 137k views
3 votes
Which of the following involve chemical changes?

1. a carrot being digested
2. a piece of wood burning
3. a piece of chocolate melting

asked
User Jpen
by
8.1k points

1 Answer

3 votes

1 and 2 are both chemical changes because they can not be reversed while 3 is only changing states and can be reversed by freezing the melted chocolate.

answered
User Bencekd
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8.0k points

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