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: 1.20a

Answer

Physical property-zinc's melting point, hardness of 2.5, density, chemical property-when zinc is added to dilute sulfuric acid, hydrogen is given off and the metal dissolves. It reacts slowly with oxygen gas to form zinc oxide.

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.
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