he EPA scientist measures the pH level in one area of a river to be lower than normal and writes that a pollutant must have been discharged from a factory just upstream. This is an example of .

An alcohol thermometer makes use of alcohol's changing in order to measure temperature. as the temperature goes up, the alcohol contained in the thermometer increases in volume, filling more of the thermometer's tube.

Compared with the freezing-point depression of a 0.01 m c6h12o6 solution, the freezing-point depression of a 0.01 m nacl solution is

Label a-f based on the table using c for concentrated and d for dilute