Chemistry (12th Edition)

Published by Prentice Hall
ISBN 10: 0132525763
ISBN 13: 978-0-13252-576-3

Chapter 2 - Matter and Change - 2 Assessment: 60

Answer

a) physical b) chemical c) chemical d) physical

Work Step by Step

a) physical - change in shape can be reversed b) chemical - color change. This is a sign for chemical change. c) chemical - gas is produced. This is a sign for chemical change. d) physical - can be easily reversed back to original
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