#1
Which of the following is a common chemical hazard in laboratories?
Hydrogen sulfide
ExplanationCommonly found in laboratories, poses health risks.
#2
What does PPE stand for in chemical safety?
Personal Protective Equipment
ExplanationEquipment to minimize exposure to hazards.
#3
Which of the following is a common chemical inhalation hazard?
Ozone
ExplanationCan irritate respiratory system in high concentrations.
#4
What is the purpose of a chemical spill kit?
To provide emergency response to chemical spills
ExplanationContains materials to contain and clean up spills.
#5
What is the primary purpose of chemical labeling?
To provide information on chemical composition
ExplanationIndicates contents and associated hazards.
#6
What does MSDS stand for in chemical safety?
Material Safety and Data Sheet
ExplanationProvides detailed information on chemical hazards.
#7
Which chemical hazard symbol represents 'corrosive'?
Corrosion
ExplanationIndicates substances that can cause damage upon contact.
#8
What is the purpose of a fume hood in a laboratory?
To provide ventilation and contain harmful fumes
ExplanationProtects users from inhaling hazardous vapors.
#9
Which of the following is a common chemical storage practice?
Storing chemicals in ventilated areas
ExplanationPrevents accumulation of hazardous vapors.
#10
What is the purpose of conducting a risk assessment in chemical safety?
To identify hazards and reduce risks
ExplanationCritical for implementing safety measures.
#11
Which chemical hazard symbol represents 'toxic'?
Skull and crossbones
ExplanationIndicates substances harmful if ingested or inhaled.
#12
What does the acronym WHMIS stand for in chemical safety?
Workplace Hazardous Materials Information System
ExplanationStandardizes labeling of hazardous materials.
#13
Which type of fire extinguisher is suitable for use on electrical fires?
Class C
ExplanationUses non-conductive agents to extinguish fires.
#14
What is the purpose of a safety data sheet (SDS) in chemical safety?
To provide information on the hazards of chemicals
ExplanationDetails chemical properties and safety precautions.
#15
Which of the following is a common chemical exposure route?
Absorption through the skin
ExplanationChemicals can penetrate the skin and enter the bloodstream.
#16
What is the purpose of an eyewash station in a laboratory?
To provide emergency irrigation to the eyes
ExplanationFlushes eyes to remove chemicals or contaminants.
#17
Which chemical hazard symbol represents 'flammable'?
Flame
ExplanationIndicates substances that can ignite easily.
#18
What is the recommended procedure for disposing of chemical waste?
Following local regulations and guidelines
ExplanationEnsures safe and environmentally friendly disposal.
#19
What does the acronym R.A.C.E. stand for in emergency response?
Rapidly Assess, Communicate, Evacuate
ExplanationStandard emergency response protocol.
#20
Which of the following is an example of engineering controls in chemical safety?
Using fume hoods
ExplanationMechanical systems to mitigate exposure.
#21
Which agency in the United States regulates chemical safety in the workplace?
Occupational Safety and Health Administration (OSHA)
ExplanationEnsures workplace safety standards are met.
#22
What is the purpose of a safety shower in a laboratory?
To provide emergency decontamination
ExplanationQuickly removes chemicals from skin or clothing.
#23
Which organization establishes globally harmonized system (GHS) for chemical labeling and classification?
United Nations (UN)
ExplanationAims to standardize hazard communication worldwide.
#24
What does the acronym COSHH stand for in chemical safety?
Control of Substances Hazardous to Health
ExplanationRegulates exposure to hazardous substances.
#25
What is the purpose of a chemical hygiene plan (CHP) in laboratories?
To ensure safe handling of chemicals
ExplanationEstablishes procedures for chemical handling.