Chemistry: The Central Science (13th Edition)

Published by Prentice Hall
ISBN 10: 0321910419
ISBN 13: 978-0-32191-041-7

Chapter 1 - Introduction: Matter and Measurement - Exercises - Page 35: 1.21a


Rusting of a metal can is a chemical change.

Work Step by Step

Physical properties can be observed without changing the identity and composition of the substance. This includes things like physical observations (color, texture) melting and boiling points, density, and state. Chemical properties describe how substances react with other substances. This means that properties that involve other substances will tend to be chemical properties. This question asks us to determine whether a change is physical or chemical. The specific change is rusting. Since rusting results in a new compound, it is a chemical change.
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