Chem 103 lab Exam Review Questions
With Correct Answers 2026
Oxidizing Material - CORRECT ANSWER -- may react violently or cause an explosion when it
comes in contact with combustible substances.
- may burn skin and eyes upon contact
Corrosive Material - CORRECT ANSWER -- causes moderate to severe skin corrosion upon
contact
- causes serious eye damage or irritation upon contact
- may be harmful if inhaled
Flammable material - CORRECT ANSWER -- is combustible
- is flammable
- may ignite spontaneously in air (is pyrophoric) or may release a flammable gas upon contact
with water
- may be an organic peroxide or other self-reactive substance that can undergo strongly
exothermic decomposition in the absence of air
Compressed gas - CORRECT ANSWER -- poses an explosion danger because the gas is usually
being held in a cylinder under pressure
- may cause its container to explode if heated or dropped
Biohazardous infectious material - CORRECT ANSWER -- may cause a serious disease resulting in
illness or death
- may produce a toxin that is harmful to humans
With Correct Answers 2026
Oxidizing Material - CORRECT ANSWER -- may react violently or cause an explosion when it
comes in contact with combustible substances.
- may burn skin and eyes upon contact
Corrosive Material - CORRECT ANSWER -- causes moderate to severe skin corrosion upon
contact
- causes serious eye damage or irritation upon contact
- may be harmful if inhaled
Flammable material - CORRECT ANSWER -- is combustible
- is flammable
- may ignite spontaneously in air (is pyrophoric) or may release a flammable gas upon contact
with water
- may be an organic peroxide or other self-reactive substance that can undergo strongly
exothermic decomposition in the absence of air
Compressed gas - CORRECT ANSWER -- poses an explosion danger because the gas is usually
being held in a cylinder under pressure
- may cause its container to explode if heated or dropped
Biohazardous infectious material - CORRECT ANSWER -- may cause a serious disease resulting in
illness or death
- may produce a toxin that is harmful to humans
