FEMA IS-0005.A FINAL TEST 2026
QUESTIONS WITH CORRECT ANSWERS
GRADED A+
>> Vapor
Answer: Gas form of substance
>> Vapor Pressure
Answer: Tendency to evaporate
>> Vapor Density
Answer: Weight compared to air
>> Specific Gravity
Answer: Weight compared to water
>> Solubility
Answer: Ability to dissolve in water
>> Flash Point
Answer: Lowest temperature producing ignitable vapor
>> Autoignition Temperature
Answer: Temperature of spontaneous ignition
>> Flammable Range
Answer: Concentration limits for ignition
, >> Lower Explosive Limit (LEL)
Answer: Minimum ignitable concentration
>> Upper Explosive Limit (UEL)
Answer: Maximum ignitable concentration
>> pH
Answer: Measure of acidity or alkalinity
>> Reactivity
Answer: Tendency to undergo chemical reaction
>> Incompatible Materials
Answer: Substances reacting dangerously together
>> Polymerization
Answer: Molecules linking together
>> Inhibitor
Answer: Substance preventing reaction
>> Stabilizer
Answer: Substance preventing hazardous reaction
>> Emergency Contact Number
Answer: CHEMTREC or other hotline
>> CHEMTREC
Answer: Chemical Transportation Emergency Center
QUESTIONS WITH CORRECT ANSWERS
GRADED A+
>> Vapor
Answer: Gas form of substance
>> Vapor Pressure
Answer: Tendency to evaporate
>> Vapor Density
Answer: Weight compared to air
>> Specific Gravity
Answer: Weight compared to water
>> Solubility
Answer: Ability to dissolve in water
>> Flash Point
Answer: Lowest temperature producing ignitable vapor
>> Autoignition Temperature
Answer: Temperature of spontaneous ignition
>> Flammable Range
Answer: Concentration limits for ignition
, >> Lower Explosive Limit (LEL)
Answer: Minimum ignitable concentration
>> Upper Explosive Limit (UEL)
Answer: Maximum ignitable concentration
>> pH
Answer: Measure of acidity or alkalinity
>> Reactivity
Answer: Tendency to undergo chemical reaction
>> Incompatible Materials
Answer: Substances reacting dangerously together
>> Polymerization
Answer: Molecules linking together
>> Inhibitor
Answer: Substance preventing reaction
>> Stabilizer
Answer: Substance preventing hazardous reaction
>> Emergency Contact Number
Answer: CHEMTREC or other hotline
>> CHEMTREC
Answer: Chemical Transportation Emergency Center