Personal Protective Equipment and Self-Contained Breathing Apparatus No. 3 Questions taken from Jones & Bartlett Fundamentals of Fire Fighter Skills (3rd Edition) Progress Indicator: Question 2 of 22 2.  The following are all properties of carbon monoxide except: Choices: slightly soluble in water explosive and flammable victims may experience very few symptoms before losing consciousness combines with hemoglobin 20 to 30 times more readily than oxygen