Question

9a. what event is occuring? 9b. circle chemical change or physical change

Explanation:

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