Answer:
not necessarily
Explanation:
there are some, but some also just change their state. like boiling a water the molecule will collide breaking liquid molecules into gas molecules but chemical reaction do not take place.
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Answers & Comments
Answer:
not necessarily
Explanation:
there are some, but some also just change their state. like boiling a water the molecule will collide breaking liquid molecules into gas molecules but chemical reaction do not take place.