Chemistry: The Science in Context (4th Edition)

Published by W.W. Norton & Co.
ISBN 10: 0393124177
ISBN 13: 978-0-39312-417-0

Chapter 1 - Matter and Energy: The Origin of the Universe - Problems - Page 36: 13

Answer

(b)

Work Step by Step

Physical processes include condensation, filtration, and distillation. The composition of substances is not altered by these operations. Combustion, option (b), is a chemical procedure or reaction. The substance that enters this process is different from the substance that exits. A brand-new material has been developed.
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