Question

3a. what event is occurring? 3b. circle chemical change or physical change

Explanation:

When a white powder is added to a clear liquid and a new substance seems to form (as indicated by the change in the liquid's state), a chemical reaction may have occurred. Chemical changes result in the formation of new substances with different chemical properties. Physical changes, on the other hand, do not create new substances. Based on the potential formation of a new substance here, it is likely a chemical change.

Answer:

3a. A chemical - like reaction is occurring.
3b. Chemical Change