Morgan observes changes that occur to substances during four experiments. She records her observations in a table.
Experiment Observation Type of Change
two 100 mL beakers of liquids are combined a precipitate is formed physical
an egg is placed in a frying pan over high heat the liquid egg becomes solid chemical
a candle is burned for 2 hours the solid wax melts into liquid physical
two 300 mL beakers with of clear liquid are combined the liquid turns blue chemical
Which mistake does Morgan make in her table?
