#1
Which of the following symbols is used to represent a toxic substance?
Skull and crossbones
ExplanationSymbol indicating toxicity.
#2
What does SDS stand for in chemical safety?
Safety Data Sheet
ExplanationDocument containing information on chemical hazards.
#3
What does the acronym PPE stand for in the context of chemical safety?
Personal Protective Equipment
ExplanationEquipment for worker safety.
#4
Which of the following is NOT a common route of chemical exposure?
Injection
ExplanationUncommon route of exposure.
#5
What is the NFPA 704 system used for?
To label chemical containers with health and safety information
ExplanationLabeling system for containers.
#6
What is the purpose of a chemical fume hood?
To ventilate harmful gases
ExplanationVentilation system for harmful gases.
#7
Which agency in the United States oversees the regulation of chemical safety in the workplace?
OSHA
ExplanationOccupational Safety and Health Administration.
#8
What is the purpose of a chemical spill kit?
To contain and clean up small spills
ExplanationKit for spill response.
#9
What is the primary function of a Material Safety Data Sheet (MSDS)?
To provide information on the composition and hazards of a chemical
ExplanationDocument for chemical information.
#10
Which of the following is NOT a primary hazard category in the NFPA 704 diamond?
Toxicity
ExplanationNot a primary hazard indicated.
#11
What does the NFPA diamond indicate?
All of the above
ExplanationLabeling system for chemical hazards.
#12
What does the term 'LC50' refer to in toxicology?
The lethal concentration of a substance that kills 50% of the test organisms
ExplanationToxicological measurement.
#13
What is the purpose of the Globally Harmonized System (GHS) for chemical labeling?
To standardize hazard communication worldwide
ExplanationGlobal standard for labeling.
#14
What is the purpose of the hierarchy of controls in chemical safety?
To prioritize the most effective ways to control hazards
ExplanationOrdering of hazard controls.