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2 votes
Chemical changes____

A-alter the phase ,or state of matter
B-increase the mass of a substance
C-affect the chemical structure of a substance
D-do not change the properties of substance

2 Answers

6 votes
i believe that they alter phase or state of matter

User Jjei
by
6.6k points
1 vote
A) alter the phase or state of matter
User Bjurstrs
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7.6k points