A chemist is given an unknown gas sample.Which observation describes a chemical property of the sample?
A)It extinguishes a glowing splint.
B)It has a sharp,stinging odor.
C)It is colorless.
D)Its density is greater than that of air.
E)It weighs 11.2 grams.

Question

Quizplus · Accepted Answer

The fact that the gas extinguishes a glowing splint suggests that it reacts with oxygen in the air, indicating a chemical property. The other observations (odor, color, density, weight) are physical properties.

A Chemist Is Given an Unknown Gas Sample