There are many ways that you can tell whether a chemical change has occurred. Which of the following is NOT a sign of chemical change? -presence of bubbles
-liquid boiling
-change in color
-a release of an odor

Which of the following describes qualitative data? a) recording the temperature of a solid as it is warmed. b) noting the color of a solution as it is heated. c) measuring the volume of an object by water displacement. d) taking the mass of an object using a balance.