Chemistry, 16.12.2020 19:10, brianmondesir1owahud

A student applies heat to a solid substance. Which indicates that a chemical change occurred? A. The substance becomes a liquid but solidifies when cooled.
B. The substance changes color and stays that color when cooled.
C. The substance goes from a liquid to a gas very quickly.
D. The substance expands but stays the same color.

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