Chemistry and Chemical Reactivity (9th Edition)

Published by Cengage Learning
ISBN 10: 1133949649
ISBN 13: 978-1-13394-964-0

Chapter 1 Basic Concepts of Chemistry - Study Questions: 8

Answer

a) Chemical b) Physical c) Chemical d) Physical

Work Step by Step

a) There's a chemical reaction taking place, in which bleach breaks molecules that reflect the purple color into molecules that reflect the pink color. b) Simple change in the state of matter: gaseous to liquid c) A chemical reaction combines water and carbon dioxide into sugar d) Change in the state of matter: solid to liquid.
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