General Chemistry 10th Edition

Published by Cengage Learning
ISBN 10: 1-28505-137-8
ISBN 13: 978-1-28505-137-6

Chapter 1 - Chemistry and Measurement - Questions and Problems - Page 38: 1.145

Answer

Please see the work below.

Work Step by Step

We know that the physical change is the change in the state while chemical change is the change in composition. When liquid mercury is cooled to solid mercury then it is a physical change. (1) and (2) is chemical change.
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