General, Organic, and Biological Chemistry: Structures of Life (5th Edition)

Published by Pearson
ISBN 10: 0321967461
ISBN 13: 978-0-32196-746-6

Chapter 3 - Matter and Energy - 3.1 Classification of Matter - Questions and Problems - Page 66: 3.2

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a. A soft drink is a mixture, namely a homogeneous mixture of water and carbon dioxide. b. Propane is a pure substance. It is a compound. c. A cheese sandwich is a mixture. It is a heterogeneous mixture. d. Iron nail is a pure substance. It is composed of only one element. e. KCl is a pure substance. It is a compound.
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