Introductory Chemistry (5th Edition)

Published by Pearson
ISBN 10: 032191029X
ISBN 13: 978-0-32191-029-5

Chapter 7 - Chemical Reactions - Exercises - Questions - Page 239: 2


Conclusive evidence of a chemical reaction with the naked eye are:

Work Step by Step

1) A color change 2.) Also if you could observe atoms/molecules with the naked eye, the molecules physically changing would also be a sign. 3.) Release of some gas molecules may also be seen if a reaction occurs and one could see it with the naked eye.
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