Chemistry: Molecular Approach (4th Edition)

Published by Pearson
ISBN 10: 0134112830
ISBN 13: 978-0-13411-283-1

Chapter 1 - Self-Assessment Quiz - Page 33: Q1

Answer

The correct answer is (a).

Work Step by Step

The chemist witnesses a chemical reaction. This is an observation. So, the correct answer is (a).
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