Vehicle Rescue and Extrication No. 2 Questions taken from Jones & Bartlett Fundamentals of Fire Fighter Skills (3rd Edition) Progress Indicator: Question 4 of 15 4.  Hydrogen sulfide has an ignition temperature of ___________º F; __________% oxygen is needed to ignite it. Choices: 1100, 6 1380, 12 700, 0 1030, 5