9. Which statements about mixtures is FALSE? Select ALL that apply. they are all mixed uniformly and have an even composition throughout
the components keep their physical properties
substances must combine in specific proportions
mixtures can be separted using physical properties.

Which of your 24 wells had indications that a chemical reaction occurred? how were you able to tell that a chemical reaction occurred? 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. make a general statement about whether your hypotheses were validated or rejected. must your hypotheses be correct for this to be a successful laboratory?