Question

1. Which of your 24 wells had indications that a physical reaction occurred? How were you able to tell that a physical reaction occurred? Report on both mixing and evaporation.

2. Which of your 24 wells had indications that a chemical reaction occurred? How were you able to tell that a chemical reaction occurred?

3. Make a general statement about whether your hypotheses were validated or rejected. Must your hypotheses be correct for this to be a successful laboratory?

Answer 1

Physical change rearranges molecules but doesn't affect their internal structures. Chemical change is any change that results in the formation of new chemical substances. At the molecular level, chemical change involves making or breaking of bonds between atoms. 

Answer 2

those wells in which reversible reaction occour that will be physical reaction while in those where irreversible reaction occure that will be chemical change
hope this helps