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 - Additional Exercises - Page 37: 1.59a

Answer

Gold: Pure Coffee: Solution Wood: Heterogeneous mixture

Work Step by Step

A gold coin is a pure substance made of a pure element. A pure gold coin is little soft and malleable compared to an ordinary coin. A cup of coffee is a solution. The coffee beans are dissolved throughout the water. A wood plank is a heterogenous mixture made up of many different substances including timber.
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