Question

how can you distinguish a from b? in this lab, you will do experiments to identify types of changes. using the question format you learned (shown above), write an investigative question that you can answer by doing these experiments.

Explanation:

Since the task is about designing an investigative question for lab - based experiments to identify types of changes, we can create a question following the given format. We need to think of two entities or states related to the changes in the lab and ask how to distinguish them.

Answer:

How can you distinguish a physical change from a chemical change?