Item SC064007: Two liquids with the same density and color but different boiling points are different substances. (This item uses a table that lists properties of the liquids.)

A student determines the volume, density, and boiling point of three colorless liquids and lists them in the table below.

  Volume
(mL)
Density
(g/mL)
Boiling Point
(°C)
Color
Liquid 1 10 0.79 56 colorless
Liquid 2 50 0.79 78 colorless
Liquid 3 10 1.0 100 colorless

Could any of the liquids be the same substance?

  1. Liquids 1 and 2 could be the same substance.
  2. Liquids 1 and 3 could be the same substance.
  3. All of the liquids could be the same substance.
  4. None of the liquids could be the same substance.

Distribution of Responses

Chart showing distrubtion of responses for Item SC064007

Percent of students responding correctly

Overall53%
Grades 6–853%
Grades 9–1254%
Male53%
Female53%
Primary Language is English54%
Primary Language is not English48%

View data table