#1
What should you do if you spill a chemical on your skin in the laboratory?
Wash the affected area with water for at least 15 minutes.
ExplanationImmediate and thorough washing helps to mitigate chemical exposure.
#2
Which of the following is NOT a proper attire for a laboratory?
Shorts and flip-flops
ExplanationInadequate attire exposes the skin to potential hazards.
#3
Why is it important to wash your hands after working in a laboratory?
To remove any chemicals or contaminants from your hands
ExplanationPrevents potential ingestion or transfer of hazardous substances.
#4
What is the purpose of an emergency eyewash station in the laboratory?
To flush eyes in case of chemical exposure
ExplanationProvides immediate treatment to prevent eye damage.
#5
Why should you never taste chemicals in the laboratory?
To prevent accidental poisoning or harm
ExplanationTasting chemicals can lead to severe health consequences.
#6
What should you do before using any laboratory equipment for the first time?
Read the instruction manual and ask for assistance if needed.
ExplanationProper familiarization enhances safe usage.
#7
Which of the following is NOT a common hazard in a laboratory setting?
Loud noises
ExplanationWhile loud noises may occur, they are not inherently hazardous.
#8
Which of the following is an appropriate action if you notice a damaged electrical cord in the laboratory?
Replace it with a new cord immediately.
ExplanationPrevents electrical hazards and potential accidents.
#9
What is the purpose of a fume hood in a laboratory?
To contain and remove hazardous fumes
ExplanationSafely vents harmful vapors away from the user.
#10
What is the correct procedure for handling broken glassware in the laboratory?
Use gloves and a dustpan to carefully clean it up, then dispose of it in a designated glass waste container.
ExplanationMinimizes the risk of cuts and ensures proper disposal.
#11
What does the acronym 'MSDS' stand for in laboratory safety?
Material Safety Data Sheet
ExplanationProvides crucial information on chemical properties and hazards.
#12
What is the proper way to extinguish a small fire caused by a chemical spill in the laboratory?
Use a fire extinguisher appropriate for chemical fires.
ExplanationEnsures effective and safe suppression of chemical fires.
#13
Why is it important to label all chemical containers in the laboratory?
To comply with regulations
ExplanationEnsures proper identification and handling of chemicals.