what is a physical quantity that you can measure to determine if the change is physical or chemical when two liquids are added together?

Question

what is a physical quantity that you can measure to determine if the change is physical or chemical when two liquids are added together?

In: Chemistry

Answer 1

Any test to see if there is a chemical change? Like NMR, mass spec, etc? If there is a different chemical moiety present, then you have chemical change.