Introductory Chemistry (5th Edition)

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

Chapter 9 - Electrons in Atoms and the Periodic Table - Exercises - Questions - Page 316: 11

Answer

This is because microwaves tend to heat only the water in the dish.

Work Step by Step

This is due to the way in which microwaves heat substances. This heating is possible due to water's polarity. The polar ends attempt to align with the electric field created by the waves. This causes the water to vibrate and heat up.
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