9a. what event is occuring? 9b. circle chemical change or physical change
9a. what event is occuring? 9b. circle chemical change or physical change
Answer
Brief Explanations:
The image shows water being heated in a test - tube. Evaporation of water is occurring as the water changes from liquid to gas state. A physical change is a change in which the substance's chemical composition remains the same. Evaporation is a physical change as the water molecules are simply changing their state from liquid to vapor, not undergoing a chemical reaction to form new substances.
Answer:
9a. Evaporation of water 9b. Physical Change