Introductory Chemistry (5th Edition)

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

Chapter 7 - Chemical Reactions - Exercises - Problems - Page 240: 29

Answer

Yes, bleaching hair to change it into a different color is a chemical reaction.

Work Step by Step

Since there is a obvious color change which is one of the first signs of a chemical reaction, it is certainly a chemical change and not simply a physical change.
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