Which one of the following statements is not a comparison of physical properties?
A) Potassium reacts with water more quickly than calcium reacts with water.
B) The electrical conductivity of aluminum is greater than copper.
C) The density of copper is less than the density of lead.
D) The solubility of NaCl in hot water is greater than the solubility in cold water.
E) The boiling point of water is greater than the boiling point of ethanol.

Question

Quizplus · Accepted Answer

Statement A is comparing the chemical reactions of two elements, rather than their physical properties. The other statements are comparing physical properties such as conductivity, density, solubility, and boiling point.

Which One of the Following Statements Is Not a Comparison