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5 votes
Which statement is true about physical and chemical changes

2 Answers

3 votes
Chemical changes is when the substance is completely changed. This means that the bonds would either break or/and new ones would form. On the other hand, a physical change is when the change is in the state of a substance. 
answered
User Michael Rigoni
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3 votes
Chemical changes always produce new substances. I'm 100% sure Hope that helped Bye!
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User Chi
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