An unknown liquid was found to have a boiling point of 100 °C under normal atmospheric pressure. Which one of the following is false? Group of answer choices The liquid is definitely water. If the density were found to be 1.00 g/cm3, it lends additional support that it is water, but still not definite. The liquid might be water, but additional tests are needed. ) If the density were found to be 0.78 g/cm3, it is definitely not water.