Introductory Chemistry (5th Edition)

Published by Pearson
ISBN 10: 032191029X
ISBN 13: 978-0-32191-029-5

Chapter 3 - Matter and Energy - Exercises - Problems: 44

Answer

a) physical b) chemical

Work Step by Step

a) changes the appearance of the substance but not the composition - physical b) flammability/burning is a chemical change as new substances will be formed
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