SUBJECT 4 · POST-CRASH & TRIAGE
What category of dangerous chemicals do matches, sulfur, and red phosphorus belong to?
C
Spontaneously combustible materials.
ANSWER · D
Flammable solids are substances that exist as solids at normal temperature, have a low ignition point, and can ignite from heat, impact, friction, or oxidants. These three substances meet that description, so the answer is "flammable solids."
Pass China's driving test.
All 3,068 questions, mock exams, wrong-answer reviews and bookmarks in the app. One-time $7.99.
Download on the App Store