Question

A student wants to conduct an investigation to describe a chemical property that could be used to distinguish between two compounds. Which investigation would work best?

a
An investigation comparing the color of two compounds at room temperature.
b
An investigation comparing how the two compounds dissolve in water.
c
An investigation comparing which of the two compounds is combustible.
d
An investigation comparing the melting points of two compounds.

Answer 1

c

Combustibility is a chemical property (it describes how a substance reacts with oxygen). Color, solubility in water, and melting point are physical properties.